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Thoughts, Did Slam process, removed mustard algae for a few weeks, got chlorine back down to 6ppm, cya 80, algae came back. Pushed chlorine back up to 20 ppm, algae gone. What is going on? I read that’s a sign of a lot of phosphates in pool. Thanks, Michael

So I’ve read that there’s new recommendations to keep your cya lower, like around 30ppm. Thoughts?

Slamming my pool has just about knocked out my mustard algae. While I realize that proper sanitation is key for algae free pool, I’ve read a lot of good things about polyquat 60, any thoughts?

Embarking on a journey with new friends to help me finally get mustard algae out of pool. Thanks everyone!

I’ve been battling mustard algae since the summer. Looks like sand and comes back after being brushed, to all the exact same places in the pool. Currently trying to slam the pool using test strips, day 5 and seems like little progress is being made. My question is should I stop and wait for new...