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Hi, what type of filter would I need for a planted tank, I have a 20 gallon long? Are canister filters necessary for good growth? Or would a, for example aquaclear be good with also a power head on the tank to increase flow?
 

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I also have two 20 gallon tanks and find they do best when I had the highest gph canister I could use. One has the Biomaster 150 (love it), the other has the UNS Delta 60 with a Fluval C4. The C4 keeps failing so I am going to add the UNS Delta 90 (would use another Biomaster but it does not fit). I found the canisters resulted in cleaner tanks than the Fluval C or Aquaclears that I had used.
 

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I also have two 20 gallon tanks and find they do best when I had the highest gph canister I could use. One has the Biomaster 150 (love it), the other has the UNS Delta 60 with a Fluval C4. The C4 keeps failing so I am going to add the UNS Delta 90 (would use another Biomaster but it does not fit). I found the canisters resulted in cleaner tanks than the Fluval C or Aquaclears that I had used.
I am considering the Biomaster 600 for my 46 gallon tank, but unsure if it is too much. When you say the Biomaster does not fit, what are you referring to?
Thanks for the feedback
 

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I am considering the Biomaster 600 for my 46 gallon tank, but unsure if it is too much. When you say the Biomaster does not fit, what are you referring to?
Thanks for the feedback

It is a large canister and my tank sits next to my desk with my other tank one one end so I did not have enough wriggle room to fit it under my desk and get the hoses correct. Hope that makes sense. It will fit in a cabinet or under a tank with no problem, but my space was so tight I could not get the hoses to work.
 

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I have a 20 long that I plan on using as a breeder and I used every old piece of equipment I had laying there, I used a sponge filter and an aquaclear 110. I also use the tank to plant new clippings from my two other main tanks. The aquaclear has so much flow it uproots newly planted plants. So even though my setup gave me amazing flow and great aeration, it made a mess of the tank. With a canister you get more control over the outflow so you should not have that problem. With my other two tanks I usually have a turnover rate of 10x or more and no issues
 
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