Not enough flow or too much flow?

ckcdrummer

Feeder Fish
MFK Member
Feb 21, 2012
1,062
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CA
Hello, I have a 20 gallon reef tank with two hydor koralia 425 gph circulation pumps, I have some SPS and LPS corals and they seem to be doing well but I was wonder if thats enough or if it would be a good idea to upgrade and if so, how much should I upgrade to? Thanks.
 

cichlid_king

Feeder Fish
MFK Member
Feb 14, 2011
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35
Fond du lac, Wisconsin
If anything might be to much for the lps all depends on placement - you would've been ok with 600gph for sps and 400 for lps
Even 600gph might be too much for sps. That 30x turnover. I say downgrade. That's way too much imo

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ckcdrummer

Feeder Fish
MFK Member
Feb 21, 2012
1,062
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0
CA
ok well my corals look happy and healthy so Im just gonna keep them and see how it goes, thanks anyways.
 

Pfisherman

Candiru
MFK Member
Nov 1, 2006
206
2
48
40
Sandwich, Illinois
its all about placement really, if all the polyps are opening and not getting 'stuck' in one spot then you are good.
 
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