biofilm

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  1. james_fish

    Anyone run a freshwater surface skimmer?

    Hi all My open top 53 gal gets caned with surface biofilm unless I have both my Sicce powerheads on. I'm not a big fan of having the powerheads on at all as it really restricts me from growing floating plants. So anyway, I was considering a surface skimmer, like the Eheim 350. Does anyone...
  2. baetta

    Help! I need to create water movement..

    Hello all! I have recently dived into Betta ownership! I absolutely adore them. My tank has biofilm at the surface. As far ask I understand, this is not bad but correct me if I am wrong!! My tank is 6.7gals and has a filter which is pretty low flow as I had done my research to see that Bettas do...
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