In article , "Steve Galupe"
writes:

For some reason, DIY CO2 will always do that. I used a wooden airstone that
deformed and was almost covered by the same stuff.


Interesting thing about the white stuff (bacterial or fungal colonization, I
think?)...I noticed some of it starting to develop on a new setup I just put
together and the snails seem to like eating it...sort of weird.

Erica
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