Quote:
Originally Posted by tummyman
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One of the lakes we dive down in Pennsylvania had a bad algae bloom in August/September, and did an alum treatment. The goal, of course, was different -- to improve visibility for divers (as this is the lake's only use). But the drone video of the treatment, and the resulting improvement in visibility/reduction in algae was remarkable.
I had no idea the treatment lasts for years.
And for those who want to see the treatment process:
https://lancasteronline.com/video/wi...5d9af9325.html