First picture. Now at first I really thought it was an alga bloom. After bottling up some I was shocked to see they are all moving. Then when I placed my phones light to the side of the bottle they are moved to the light.

Attached Images
Plankton.jpg plankton2.jpg plankton3.jpg
Last edited by DonoBBD; 06/17/20 06:53 AM.
[Linked Image from corvettejunkie.com]
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7/8th of an acre, Perch only pond, Ontario, Canada.