White foam on bio-filter

R0B

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Pretty much self explanatory, I noticed it right now when I was getting ready for a water change. Its at the top part where the water doesn't touch it. should I be worried or is this just good bacteria?
 

jdhef

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If you use StressCoat it could be aloe vera residue.
 
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R0B

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I only use Prime and I only put it on the new water containers, not directly to it. Can this be harmful or I shouldnt worry?
 

jdhef

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Unless it is a soap or detergent residue, I wouldn't worry too much about it. I've read other threads in the past about white foam, and I can't remember what the responses were, but I seem to remember it not being a problem.
 
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Ok then I can relax, I'll keep a close eye on the fish to see if any stress is shown.

Thanks jdhef
 
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Oh I have another question, is there such thing as too much Prime? I use Prime in every water change.
 

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If you are using the correct dosage with every water change, it is fine.
 

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