Fluval u4

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jozefsanders

Aquarium Advice Regular
Joined
Jun 11, 2015
Messages
50
I bought two fluval u4 filters for a 55 gallon freshwater tank but was wondering if they would be ok for a salt water tank with corals.


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Canisters are usually frowned upon for corals as we typically aim for pristine water conditions for corals. To accomplish this, we will utilize a sump area for additional filtration methods such as a protein skimmer, refugium or algae turf scrubber, or other types of media as well.
 
What about a HOB filter like a deer octopus be-1000


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