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Emile

(43,938 posts)

6. I been using copper sulfate for 26 years in my farm pond to control algae.

Reply to Ocelot II (Reply #4)

Tue Jun 16, 2026, 12:11 PM

Yesterday

I also add blue water dye to suppress new algae growth. The dye shades the water limiting the sunlight (specifically red-orange and blue-violet spectrums) that underwater weeds and algae need for photosynthesis.

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wyn borkins

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Highlight:

Update on the Reflecting Pool 🤑🦠 [View all] underpants Yesterday OP

This could end up killing many birds and animals Wiz Imp Yesterday #1

That was pretty pathetic. Girard442 Yesterday #5

Mother Nature always bats last. Ocelot II Yesterday #2

Copper sulfate treatment would kill that overnight. This outfit milking Emile Yesterday #3

It's not a good fix for this situation. Ocelot II Yesterday #4

I been using copper sulfate for 26 years in my farm pond to control algae. Emile Yesterday #6

Might work for a farm pond, doubt it's practical for something the size of the reflecting pool. Ocelot II Yesterday #7

It never has effected the wildlife on my pond. The secret is not to use too much. Emile Yesterday #8