what do you mean "bug". if you mean tiny organism, yes; if you mean arachnid or insect, no.
as far as i know green water is the bloom of a kind of protist.
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Eheim Pimp #296 Eheim Ecco 2232 (x2), Eheim Ecco 2234 (x1)
please grow my hatchling (click on it):  |