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Most Recent Questions
Recent Question:
How strong is the intake on the 20 gallon one?
Recent Question:
where can I get replacement filters for my petco undergravel system?
Recent Question:
can this filter work with a 40 breeder from zilla.? water only goes half way due to take model also what filters are need for it ?
Recent Question:
Is it worthwhile and healthy to shut off the tank filters at night?
Recent Question:
Witch one would work for a 20 gallon tank and would it work with a an aqua clear 30 gallon filter?
Questions with Most Recent Answers
Question:
Can this be used in a fish bowl?
Question:
Is it worthwhile and healthy to shut off the tank filters at night?
Question:
I have a 55 gallon tank with African Cichlids... can I have 2 filters?
Question:
can this filter work with a 40 breeder from zilla.? water only goes half way due to take model also what filters are need for it ?
Question:
does it come with the plant

Customer Questions & Answers for
Fluval Fluval Underwater Filter

3 way flow control for output flexibiltyFlip-Top for quick and easy maintenanceIncludes 2 foam pad cartridges, 2 carbon sponge pad cartridges and Biomax nodes3 stage filtration for superior water quality
Customer Questions & Answers:
4 Questions,
 | 
9 Answers
Overall Rating:
4.75 out of 5
4.8
out of
5

Questions & Answers for Fluval Fluval Underwater Filter

Question

Does this filter need to get replacement filters?

asked 3 years, 7 months ago
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by
isiah
on Fluval Underwater Filter
+4points
4out of 4found this question helpful.
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4 answers
Answers
answer 1
Yes,it states FILTER CARTRIDGE REPLACEMENT ' Replace foam pads every 3-6 Months.
Best Answer
answered 9 months ago
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by
SkullCandyBetta
California
+2points
2out of 2found this answer helpful.
answer 2
YES
answered 2 years ago
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by
AllAroundTheWishingWell
Universal City, Texas
0points
0out of 0found this answer helpful.
answer 3
Yes, it says so in the manual you need to replace the filters every 3-6 months depending on how heavy the usage is.
answered 3 years, 4 months ago
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by
aldallia
Tallahassee,FL
0points
0out of 0found this answer helpful.
answer 4
yes, once every 2 to 3 months
answered 3 years, 6 months ago
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by
turtlelover97
orland park, IL
-1point
0out of 1found this answer helpful.
Question

Do I need this filter if I already have an Aqueon power filter?

http://www.petco.com/Shop/Product.aspx?sku=1083759 This is the filter I'm thinking about getting - which one do I need to get? Or should I get both?
asked 3 years, 3 months ago
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by
Kilica
on Fluval Underwater Filter
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0out of 0found this question helpful.
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2 answers
Answers
answer 1
in my opinion you only need one filter, but make sure to get the filter for the specific tank size. it goes by gallons.
Best Answer
answered 9 months ago
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by
SkullCandyBetta
California
+1point
1out of 1found this answer helpful.
answer 2
I personally Have two filters on my 20 gallon tank. I have the Fluval u3 and the Aqueon Quiet flow for up to 50 gallons. Keeps my tank clear and keeps water changes at a min. I only do water changes once every 2 weeks.
I'd say go with 2 filters just make sure they are not to close together.
answered 2 years ago
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by
AllAroundTheWishingWell
Universal City, Texas
0points
0out of 0found this answer helpful.
Question

can this filter work with a 40 breeder from zilla.? water only goes half way due to take model also what filters are need for it ?

User submitted photo
asked 1 week, 6 days ago
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by
Tasha0428
on Fluval Underwater Filter
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0out of 0found this question helpful.
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2 answers
Answers
answer 1
This filter is fully submersible so you can lay it on it's side in a tank that is not completely full. The unit comes with the necessary filter cartridges.
answered 1 week, 2 days ago
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by
Fluval_Service
0points
0out of 0found this answer helpful.
answer 2
yes, even if the tank is half full, you can turn the filter on it's side ( left or right) as long as the nozzles are directed away from the walls of the tank. Keep in mind, if you lay the filter down directly on the substrate ( gravel) you will ONLY be filtering in the water from one side ( the up side) I would recommend putting a couple of rocks one at each length of the filter, then placing the filter on the rocks ( see my poorly Illustrated diagrams)
User submitted photo
User submitted photo
answered 1 week, 4 days ago
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by
SteveBrown
Kingston, Ontario Canada
0points
0out of 0found this answer helpful.
Question

I have a Fluval U3 unerwater filter system and it is almost imposilble to be sure what 3 filters to ordere

Fluval U3 on this product page there is 3 lines saying what filters it uses with no item numbers then on the filter products page most do not say what systems the filters for.... In the questions and answers about the Fluval U3 about the fillters for it still no one gives item numbers I want to order the right ones the first time.
asked 1 year, 4 months ago
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by
dickwh
on Fluval Underwater Filter
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1 answer
Answers
answer 1
the numbers are the level of your fluval. for example I order mines fluval U2
so i order U2 Foam Pad or U2 Poly carbon Cartridge. Since you are a Fluval U3 you should order a U3 Foam Pad or U3 Carbon Cartridge depending what u need wich are basically those and
U3 POLY/CLEARMAX FILTER CARTRIDGE

The U stands for the series of filter and the # number for the model..
Best Answer
answered 9 months ago
Customer Avatar
by
SkullCandyBetta
California
+1point
1out of 1found this answer helpful.
1 of 1