Anonymous ID: 5fbcbc June 17, 2026, 9:36 p.m. No.24729007   🗄️.is 🔗kun   >>9010

>>24728986

FFS…

is EVERYBODY uneducated and incompetent?

toss a pound or two of copper (II) sulfate into the water

it will safely suppress all algae growth

they use it in resevoirs for public drinking water