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Customer Questions & Answers for
Whisper® In-Tank 3i

Designed for tanks holding up to 3 gallons of water.
Customer Questions & Answers:
30 Questions
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47 Answers
Overall Rating:
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Questions & Answers for Tetra Whisper® In-Tank 3i

Question

Is this pump safe for my betta and his tetra pals?

I recently bought a new tank for my betta that came with this pump, and today I bought 3 neon tetras to keep him company. After I got everyone settled in I realized that my betta had his tendrils stuck in the tube, he got out , but I am worried that he could get stuck again (and it could hurt or kill him) and I am also worried that my new tetras could be sucked up into the filter. Am I right to worry? What can I do to fix this?
How long have you owned an aquarium? 6-12 months
Type of tank: Tropical
Size of tank: Less than 10 gallons
asked 1 year, 8 months ago
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by
MrFish
on Whisper® In-Tank 3i
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1 answer
Answers
answer 1
This could be due to several different things. This filter is perfectly suitable for the fish, but since the tank is new, and you already have 4 fish, you may be getting some water quality issues which would weaken the fish. Check your ammonia and nitrite and do a partial water change if necessary.

In the meantime, place a large plastic plant, cluster of plants, some decor, etc, in front of the tube and filter, breaking up the flow rate and blocking the tube.

By the way, neons typically are not a good fish to put with bettas. They are brightly colored and may attract his aggression. We usually recommend small, peaceful, less colorful fish like hatchet fish, white clouds, etc.
BREX
answered 1 year, 8 months ago
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BREX
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Question

Will this filtration system work with a round aquarium?

How long have you owned an aquarium? 3+ years
Type of tank: Tropical
Size of tank: Less than 10 gallons
asked 3 years, 1 month ago
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by
Deee
on Whisper® In-Tank 3i
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2 answers
Answers
answer 1
I am using mine in a 3 gallon round tank. Attatches just fine to the tank.
How long have you owned an aquarium? 3+ years
Type of tank: Tropical
Size of tank: Less than 10 gallons
answered 2 years ago
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by
Bettaonboard
Alberta
+1point
1out of 1found this answer helpful.
answer 2
Hello,
Using the 3i filter wlll probably not work well with a round aquarium because the suction cup on the back of the filter will not adhere to a round surface. One filter we do make that may work better is the Marineland Duetto filter. It is small and can stand on its own at the bottom of the tank.
answered 3 years, 1 month ago
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by
Crush
-1point
0out of 1found this answer helpful.
Question

Is this filter safe to run 24/7?

My dad is worried about keeping the filter on if no one is home. I want to reassure him that it won't be a problem.
How long have you owned an aquarium? Less than 6 months
Type of tank: Goldfish
Size of tank: Less than 10 gallons
asked 2 years, 9 months ago
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by
KylieT
Hanover PA
on Whisper® In-Tank 3i
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2 answers
Answers
answer 1
yes it is safe. also, in some cases, it is toxic to turn off your filter for periods more than say 20-30mins
How long have you owned an aquarium? 3+ years
Type of tank: Tropical
Size of tank: Less than 10 gallons
answered 1 year, 9 months ago
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by
dougoftx
radcliff, ky
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0out of 0found this answer helpful.
answer 2
As an owner of a 3 gallon tropical fish tank, i can reassure you that it is safe. I have owned the small tank for more than a year now and i have had no problems with it what so ever. I also have a larger aquarium which has a larger filtration system that i let run 24/7 and i have no problems with it either. I have owned it for about 4 years.
How long have you owned an aquarium? 3+ years
Size of tank: 11 to 20 gallons
answered 2 years, 8 months ago
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by
Jacklin009
0points
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Question

Is this filter safe to use for a brackish water tank or a full salt water tank?

I am setting up a small salt water tank and wanna make sure it's okay to use this filter for that purpose.
How long have you owned an aquarium? 3+ years
Type of tank: Marine
Size of tank: Less than 10 gallons
asked 2 years, 5 months ago
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by
Lykaina
Florida
on Whisper® In-Tank 3i
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2 answers
Answers
answer 1
NO!
answered 2 years, 3 months ago
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by
oldguy
Milton, FL
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answer 2
Yes, it would be fine.
Thanks.
answered 2 years, 5 months ago
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by
Tetra
0points
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Question

Can I use my own filter media?

I have some MarineLand Carbon Ammonia Neutralizing Blend and some Aqua Clear Insert foam. Can I reconstruct the filter cartridge? Is there another way I can enter this material? What comes in the filter cartridge that you sell already?
How long have you owned an aquarium? 3+ years
Type of tank: Tropical
Size of tank: Less than 10 gallons
asked 2 years, 5 months ago
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by
Corbin
Texas
on Whisper® In-Tank 3i
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0out of 0found this question helpful.
2 answers
Answers
answer 1
Reconstructing this filter setup may be a bigger chore than you want.
answered 2 years, 3 months ago
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by
oldguy
Milton, FL
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answer 2
We include activated carbon in our cartridges. This carbon helps eliminate ammonia and nitrates. It should be changed every 2-4 weeks.

Thanks.
answered 2 years, 5 months ago
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by
Tetra
-1point
0out of 1found this answer helpful.
Question

What is the minimum water depth for using a Whisper® In-Tank 3i filter?

How long have you owned an aquarium? 3+ years
Type of tank: Reptile/Amphibian
Size of tank: 21 to 50 gallons
asked 2 years, 4 months ago
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DJ1971
South Elgin Il.
on Whisper® In-Tank 3i
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2 answers
Answers
answer 1
At least 6 inches.
answered 2 years, 3 months ago
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oldguy
Milton, FL
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answer 2
The water level should be right under the lip of the filter. It will need to be at least above the white tubing on the unit.
Thanks.
answered 2 years, 4 months ago
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by
Tetra
-1point
0out of 1found this answer helpful.
Question

I wna tto add the whisper filter to my 3 gallon tank with 1 beta. Do I need to run filter for a time b4 i add my beta?

(or can i chgne the water, install filter, turn it on and add beta?
How long have you owned an aquarium? Less than 6 months
Type of tank: Tropical
Size of tank: Less than 10 gallons
asked 2 years, 4 months ago
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Donna2012
West Palm Beach
on Whisper® In-Tank 3i
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2 answers
Answers
answer 1
i just added it to a running tank. its not a biological filter so you dont need to wait to let that get set up. just make sure you rinse the cartrage out thoroughly to get the excess carbon out.
How long have you owned an aquarium? 3+ years
Type of tank: Tropical
Size of tank: Less than 10 gallons
answered 1 year, 9 months ago
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dougoftx
radcliff, ky
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answer 2
Yes, but it's better to run it for an hour or two for fishes safety & health.
answered 2 years, 3 months ago
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oldguy
Milton, FL
+1point
1out of 1found this answer helpful.
Question

Is it safe for betta fry?

I have betta fry and the tank is getting a bit messy, will this help
How long have you owned an aquarium? Less than 6 months
Type of tank: Tropical
Size of tank: Less than 10 gallons
asked 2 years, 2 months ago
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by
Elizabeth1978
Ga
on Whisper® In-Tank 3i
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2 answers
Answers
answer 1
i wouldnt recommend it for fry that are very young, as you know they are very fragile. even with a gang valve this produces too much flow for young fry. i would stick with manual vacuuming and delicate water changes.
How long have you owned an aquarium? 3+ years
Type of tank: Tropical
Size of tank: Less than 10 gallons
answered 1 year, 9 months ago
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dougoftx
radcliff, ky
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answer 2
No, they can swim up the tube and into it. You would need to fill the tube with filter floss. However, bettas do not like much water movement anyway, so it would be best to take water from the top of the tank daily, and then add new water. Try to remove about 1/3 everyday and replace it.

BREX
answered 2 years, 2 months ago
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BREX
+1point
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Question

Whisper® In-Tank 3i...

We just got the tank today and it came with the filter and we can't seem to get it to work and we have never had a fish before and don't know what the filter is suppose to look like or what its suppose to be doing? Oh & is it okay for it to be completely submerged in water?
How long have you owned an aquarium? Less than 6 months
Type of tank: Goldfish
Size of tank: Less than 10 gallons
asked 2 years, 2 months ago
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confusedgirl09
Michigan
on Whisper® In-Tank 3i
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2 answers
Answers
answer 1
1st completely submerged, no. the spout the water comes out of should be level with water surface. 2nd, this filter should have air bubbles blowing up tube into filter cartrage then out spout into water of tank.
How long have you owned an aquarium? 3+ years
Type of tank: Tropical
Size of tank: Less than 10 gallons
answered 1 year, 9 months ago
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by
dougoftx
radcliff, ky
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answer 2
The filter should be about an inch to two inches below the top edge of the tank. When installed correctly, air should bubble up the tube on the bottom, and go behind the cartidge, forcing water out the front and over the spillway. We are unsure which kit you have, but some of them have two items operated by one air pump, and each line has a black knob in it you must turn to adjust your air flow. This may be something you need to do to get it to operate. If yours does not have this feature, then it should automatically operate once you plug it in. Call our support staff at 1-800-526-0650 if you need any further help.

BREX
answered 2 years, 2 months ago
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BREX
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Question

how do i connect the whisper 3 filter together

How long have you owned an aquarium? Less than 6 months
Type of tank: Tropical
Size of tank: Less than 10 gallons
asked 2 years, 1 month ago
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by
jstallings
Enterprise Middle School
on Whisper® In-Tank 3i
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2 answers
Answers
answer 1
to assemble it, put the translucent white tube into black filter body. ensure to put the airtube inlet on the same side as the suction cups. connect the air hose to the inlet at the bottom of filter body/translucent white tube. rinse filter cartrage in water for about 5 minutes. place cartrage inside filter body putting the hard plastic side wth slits facing torwards the side with suction cups. connect other end of airhose to air pump. turn on air pump by pluggin it in. place filter in water making sure that the spout where water comes out is level with the water surface.
How long have you owned an aquarium? 3+ years
Type of tank: Tropical
Size of tank: Less than 10 gallons
answered 1 year, 9 months ago
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dougoftx
radcliff, ky
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answer 2
The black filter box suction cups to the back of the tank, just about 1-2 inches below the top edge of the tank. The white tube will rest almost on the bottom of the tank. Attach one end of the thin, flexible, vinyl tubing to the port on the end of the air pump; attach the other end near the base of the white tube on the bottom of the filter, inside the tank. Plug in the air pump (which sits outside the tank by the way).

BREX
answered 2 years, 1 month ago
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BREX
0points
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Question

How to stop bubbles coming out of diffuser?

I just bought a Tetra Whisper In-Tank Filter 3i. I'm not sure if it is deffective? Instead of the air bubbles going up the defuser, they are coming out the side of the defuser. I've tried numerous times to reseat the bottom part of the defuser to the tube and the air tube to the defuser. Nothing seams to work. The filter is ineffective.
How long have you owned an aquarium? 3+ years
Type of tank: Reptile/Amphibian
Size of tank: Less than 10 gallons
asked 2 years, 1 month ago
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by
fsparker
Long Island, NY
on Whisper® In-Tank 3i
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2 answers
Answers
answer 1
i had a similar problem. i used the lid or my aquarium and set it on the top forcing the water to flow out the opening. that was the temporary fix. long term fix, i got a valve that limits airflow into the filter to it may cause you to have less water flow but it will still filter your water and airate it also without bubbling out before it goes through the filter
How long have you owned an aquarium? 3+ years
Type of tank: Tropical
Size of tank: Less than 10 gallons
answered 1 year, 9 months ago
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by
dougoftx
radcliff, ky
0points
0out of 0found this answer helpful.
answer 2
Please contact our support staff to assistance, as they will need to ask a few questions regarding your setup.

1-800-526-0650

BREX
answered 2 years, 1 month ago
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BREX
0points
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Question

How do I keep/maintain any "good" bacteria if I have to completely change my filter cartridge every 3-4 weeks??

I recently purchased a Tetra 3-Gallon LED Cube Kit with Whisper 3i filter. I am in the 3rd week of my cycle, but have recently noticed the water flow/return from the filter has slowed down substantially. In pulling out the cartridge, I noticed how filthy it has gotten---which, as I understand it, is a good thing. My question/concern is if I have to change out this cartridge every 3-4 weeks, how will I ever establish a fully cycled tank without having to start over each month? I have 1 betta fish in the tank now and would hate to have to put him through ammonia and nitrite spikes every month...not to mention, I'd really like to get down to partial water changes weekly vs. the 2-3x week I'm having to do now to avoid over-stressing my lil' betta based on water/chemical levels. What is the best way to handle this? Do I need a different kind of filter? Thanks so much for any help or guidance you can offer!
How long have you owned an aquarium? Less than 6 months
Type of tank: Tropical
Size of tank: Less than 10 gallons
asked 2 years ago
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by
Bethany
Chicago
on Whisper® In-Tank 3i
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2 answers
Answers
answer 1
the whisper 3i is not designed as a biological filter just physical and chemical. you would need a different filter if you wanted the biological aspect of a filter, one that is 3 stage like for example the tetra 10i
How long have you owned an aquarium? 3+ years
Type of tank: Tropical
Size of tank: Less than 10 gallons
answered 1 year, 9 months ago
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by
dougoftx
radcliff, ky
0points
0out of 0found this answer helpful.
answer 2
Sounds like you may be overfeeding, if he is the only fish in the tank. Your cartridge should be dirty, but not filthy, after 3 weeks, and with one betta, your water quality tests should be pretty good. Nothing should be toxic. Weekly water changes should be enough, even now. Beneficial bacteria grow everywhere, in the gravel, the water, on decor, all over the filter system, not just in the cartridge, so replacing the cartridge will not cause a tank to cycle again.

Your betta should eat once a day, one or two pellets/granules, and have one day a week where he is given nothing. Bettas are very prone to bloat and constipation and should never be fed more than the above recommendation.
BREX
answered 2 years ago
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BREX
0points
0out of 0found this answer helpful.
Question

Tank turned dingy after 1 day. What do I do?

We have used the whisper filter for 1 day in our 3 gallon tank, and the water is already murky and dingy looking. What do I need to do?
How long have you owned an aquarium? Less than 6 months
Type of tank: Goldfish
Size of tank: Less than 10 gallons
asked 1 year, 10 months ago
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Anonymous
Carrie, KY
on Whisper® In-Tank 3i
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2 answers
Answers
answer 1
i would get a new filter media, make sure to rinse it out with tap water for several minutes to get the excess carbon out of the filter. then once the new cartrige is in place, do a water change being sure to treat the water apropriately to ph levels and removing chlorines nitrates and nitrites.
How long have you owned an aquarium? 3+ years
Type of tank: Tropical
Size of tank: Less than 10 gallons
answered 1 year, 9 months ago
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by
dougoftx
radcliff, ky
0points
0out of 0found this answer helpful.
answer 2
This is called New Tank Syndrome and it usually occurs because fish are added too fast or they are overfed. You want one fish in the tank for the first two to three weeks before you add any more. Feed only once a day, one flake per fish. The cloudy water is not a big issue, it is the ammonia spike that is right behind it that will become a problem, so change 25% of the water, and add Tetra SafeStart to help prevent the ammonia from reaching toxic levels.

BREX
answered 1 year, 10 months ago
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BREX
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Question

bubbles coming out of the filter

where the water comes out of the top of the filter, there is alot of bubbles coming out and the water is fresh but cloudy and stinky.
How long have you owned an aquarium? Less than 6 months
Type of tank: Reptile/Amphibian
Size of tank: Less than 10 gallons
asked 1 year, 10 months ago
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Kristin
on Whisper® In-Tank 3i
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2 answers
Answers
answer 1
ok i'm sorry i put the wrong thing for the type of tank it is. it's a fish tank with fesh water and bubbles coiming from the top of the filter compartment
How long have you owned an aquarium? Less than 6 months
Type of tank: Goldfish
Size of tank: Less than 10 gallons
answered 1 year, 10 months ago
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by
Kristin
0points
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answer 2
You list your tank as a reptile/amphibian tank and under 10 gallons. Assuming this is a turtle tank, turtles are very dirty, producing a lot of waste. The bubbles you see is protein (waste) that the filter is attempting to pull out of the tank, but there is more than the filter can handle. Your tank may be too small ( it is recommended to have 10 gallons of water per every one inch of diameter of a turtle's shell), or you may need more water in the tank. Most people keep turtles in very shallow amounts of water when they would prefer much deeper water. It is also a good idea to change out a small amount of water once a day, instead of doing a complete water change weekly.

BREX
answered 1 year, 10 months ago
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BREX
-1point
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Question

Which way is the Bio-Bag filter cartridge supposed to be facing? Is the side with the slits supposed to be facing the front or the carbon side??

I have the Tetra whisper 3i In-tank Filter. I've heard many people say I have it in backwards because the carbon side is facing the front, but that's how it's showed in the picture on the box so I'm not sure!!! HELP!
How long have you owned an aquarium? Less than 6 months
Type of tank: Goldfish
Size of tank: Less than 10 gallons
asked 1 year, 10 months ago
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goldfishlover143
Hawaii
on Whisper® In-Tank 3i
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2 answers
Answers
answer 1
the slits need to be facing the airtube so the spongy side flows out into the tank
How long have you owned an aquarium? 3+ years
Type of tank: Tropical
Size of tank: Less than 10 gallons
answered 1 year, 9 months ago
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by
dougoftx
radcliff, ky
-1point
0out of 1found this answer helpful.
answer 2
Good question. On the 3i filter, the frame (reddish brown frame) faces the front. This allows the most access of the water going through the filtering process to push through the mesh side of the filter cartridge containing the activated carbon.

Tetra2
answered 1 year, 10 months ago
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by
BREX
+1point
3out of 5found this answer helpful.
Question

filter

Our Beta Fish keeps going into the opening of the filter, will this hurt it?
How long have you owned an aquarium? Less than 6 months
Type of tank: Tropical
Size of tank: Less than 10 gallons
asked 1 year, 10 months ago
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tiny
on Whisper® In-Tank 3i
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Answers
answer 1
long story short, no. bettas are actually lazy and do things like laying against intakes for filters to take a break from swimming. they will also lay upon leaves of plants if afforded the opportunity from time to time.
How long have you owned an aquarium? 3+ years
Type of tank: Tropical
Size of tank: Less than 10 gallons
answered 1 year, 9 months ago
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dougoftx
radcliff, ky
0points
0out of 0found this answer helpful.
answer 2
We certainly don't want your fish to get hurt by entering your filter and then stressing himself/herself out by not knowing how to exit back into the tank,so try raising the filter itself or lowering the water level a tad so that your curious friend does not get stuck.

Tetra2
answered 1 year, 10 months ago
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BREX
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Question

Why is my new filter bubbling?

Just bought a new aquarium for 1 betta fish and installed the whisper 3 filter that came with the aquarium. It bubbles a lot behind the filter cartridge and I was wondering if that was normal or how to fix it?
How long have you owned an aquarium? Less than 6 months
Type of tank: Tropical
Size of tank: Less than 10 gallons
asked 1 year, 9 months ago
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BabyAbel
on Whisper® In-Tank 3i
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Answers
answer 1
A lot of water conditioners cause foaming and may allow bubbles to persist longer than normal. Make sure you're using the right amount. If you are using the proper amount, I wouldn't worry about the bubbles (and most water conditioners are still OK in larger amounts than suggested). Also this may be caused by residual soap, if soap was ever added to the aquarium for any reason. Soap should NEVER be added to an aquarium, and if this is the case, keep rinsing everything until there are no more bubbles (you might also want to try using vinegar or baking soda).
answered 1 year, 7 months ago
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Anon
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answer 2
Yes, that is normal. It is operated by an air pump which uses air to create bubbles which make the water flow out.

BREX
answered 1 year, 9 months ago
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BREX
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Question

whisper 3i power filter

Can I use this filter in a 10 gallon tank for my glow fish?
How long have you owned an aquarium? 3+ years
Type of tank: Tropical
Size of tank: Less than 10 gallons
asked 1 year, 7 months ago
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fordsarah
Radcliff, ky
on Whisper® In-Tank 3i
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Answers
answer 1
If you only have a couple fish, maybe, but I'd suggest upgrading to a filter designed for a 10 gallon tank, especially when you consider glowfish are danios or tetras, which both prefer to be in larger groups.
answered 1 year, 7 months ago
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Anon
0points
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answer 2
You can, yes, but it won't be enough filtration for ten gallons of water. Not by itself.

BREX
answered 1 year, 7 months ago
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BREX
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Question

Is there an attachment to go on the end of the whisper filter?

I bought the finding nemo tank for my son it came with the whisper filter. I put in my tank 2 little tetras and a guppy the filter sucked them up and they died i now have a beta in the tank but would eventually like 2 move the beta into a bata bowl and get 2 guppy's. Is there something I can buy 2 prevent this from happening again? Thank You
How long have you owned an aquarium? Less than 6 months
Type of tank: Tropical
Size of tank: Less than 10 gallons
asked 3 years, 1 month ago
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Lynn
on Whisper® In-Tank 3i
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Answers
answer 1
Hello,
This aquarium comes with our 3i filter, which is probably the most gentle filter we make. Even the smallest of fish should be able to avoid being pulled in if they are healthy. The usual suspect if fish are pulled into any filter is that they are not healthy. This can be due to ammonia levels or nitrite levels that spike in the water in new aquariums due to the absence of the bacteria that is needed to break down the ammonia and nitrite. This bacteria will establish within a couple weeks, but you can also introduce it with the Tetra SafeStart. You can also use Tetra AmmoniaSafe to convert toxic ammonia to a non-toxic form. Guppies can be delicate in new aquariums where the water quality is problematic, so you might let your Betta live alone in the tank for a couple weeks to help get the bacteria established, and then obtain your guppies. (You will need to relocate the Betta at that point.) Lastly, if you think there is anything defective about your 3i filter you can troubleshoot with us at consumersupport@unitedpetgroup.com. You can also call 1-800-526-0650.
answered 3 years, 1 month ago
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by
Crush
-3points
2out of 7found this answer helpful.
Question

My filter is bubbling out of the top.Can this harm my fish?

The filter is bubbling out of the top of the filter and I'm worried that it can harm my betta fish.
How long have you owned an aquarium? Less than 6 months
Type of tank: Goldfish
Size of tank: Less than 10 gallons
asked 3 years, 1 month ago
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by
Cherry
Bozeman,MT
on Whisper® In-Tank 3i
+1point
1out of 1found this question helpful.
1 answer
Answers
answer 1
Hello,
The 3i filters work with a small air pump. The air bubbles can escape from the cartridge area and this is just how they work. You can raise the filters up so that the lip where the water spills out is slightly above the water level in the aquarium to help reduce bubbles. Also, lift up the cartridge slightly so the cartridge will help block the flow of bubbles escaping into the tank. It is a common issue that new aquarium keepers have used a bit too much water conditioner such as Aquasafe. This can create more sudsy bubbles for a time. They don't hurt anything, but you may have to do a partial water change to reduce the suds.

Betta fish actually create what is called a bubble nest if the water is still enough. The males will create the foam at the top of the water and this is for use during breeding. This can be confusing if are a new Betta keeper, but you soon become used to seeing the bubble nests appear in your aquarium, and they are nothing to worry about.
answered 3 years, 1 month ago
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