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I'm guessing 1.2 lbs is about a gallon of 10%

Di=ammonium sulfate

I have had yellow algae, even vacuumed by hand with a siphon hose to get every stinking bit of it out for a week. scrubbed, removed stairs and cleaned, backwahsed and maintained minimum 22 ppm on chlorine. Even added DE to the sand filter. Still find small amounts each day. I have sterilized...

Just went to 22 on chlorine after brushing and removing/scrubbing stairs. Plan to keep it there tomorrow also. My OCLT has been showing no loss, that's what has me baffled. SLAMing anyway to MA levels. I will let you know. I have been following everything and doing everything as per this site...

Is dead algae medium to dark brown?

Thanks Kelly. See the problem is I have been above SLAM levels. I have no chlorine loss and CC 0. I put in the extra chlorine just because I wanted to make sure I did not have algae. Just being paranoid I guess. Pool is super clear and nothing is slippery

Stupid questions. Thanks to TFP I have never had algae so I don't know what I am looking at, but I have brown dust splotches on the bottom of my fresh water pool. Here is the problem: since I don't know what it looks like, I can't tell if it is just dust from the last few days of rain (Oklahoma)...

Just as a point of general knowledge, if chlorine levels/CYA are consistently maintained, along with all other chemistry, would the stairs still be a problem for algae? I have Wedding Cake stairs and I have worried about them, but if I am at 50% borates, 7 ppm chlorine, 35-40 CYA, 100 TA, etc...