Could it be phytoplankton?

Get a few mason jars. Fill them with water, cap them, set one in a closet for a day or 3, set the other on a shelf where it gets light. See what settles out or if it stays in suspension.


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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).