belkinsa 4 research notes and 4 wiki edits

I did pond water testing at Grailville in Loveland, Ohio, USA and also figured out how to maintain the ponds organically: Nowadays I try to build the citizen science community.

Joined almost 2 years ago

DIY NIR Test with Filter Kit #1

by belkinsa almost 2 years ago | 1 | 468 | 0

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