| bio ball removal
I have tons of bioballs in my fluval FX5 canister filter and i want to replace them with mechanical filtration foam blocks. Its only been running for about 2-3 weeks in my 29gal. Have they already developed significant enough bacteria populations to where i cant safely remove all of them at once and not risk an ammonia spike?
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Some people believe that their works are nothing more than a drop in the ocean, but the ocean would have been less without that drop.
-Mother Teresa | 
