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Finally checking back in a month later. The SLAM process worked as advertised, and a few days later the pool magically cleared up. Been good since then. Thanks for all the advice! Here's the continuing day by day (I missed one or two days, but it's a good time lapse). (I skipped a couple...

I've been SLAMing for a week and the pool is dramatically better, but still a little green and cloudy. I'm going to keep SLAMing until all three criteria are met (no algae, clear water, OCLT). I just made another late discovery, a real doozy. I didn't realize my filter was a DE filter...

Thanks!

By the way, after I add the Muriatic Acid recommended by Pool Math to bring my pH down to 7.2-7.3 before SLAMing, how long should I wait before starting to add chlorine for the SLAM process?

So I bought a sump pump (Superior Pump 91250 Utility Pump, 1/4 HP off Amazon) and proceeded to pump out about 65-70% of my water, then refilled it with tap water. I found out I had overestimated by pool volume and that I'm actually closer to 16,500 gallons. I just tested my chemicals with...

Thanks for all the wise advice. Of course I had to try to see if I could do it with just my pool pump and no backwash hose, letting it run into the drain next to my pool equipment. I have a variable speed pump, and the second-lowest speed was way too much water. The lowest speed was really...

Thanks. I'm pretty sure now I can isolate the floor drain with the valves and closing off the skimmer and the robot vacuum. Why do I need a backwash hose? Why can't I let it just flow out of the big PVC opening at the bottom of the backwash valve column -- will bad things happen?

Thanks Richard! How would I be able to use my pool pump to draw from the floor drain and discharge? Here's my equipment setup. It's a cartridge filter. The setup has backwash capability that I've never used because I don't know why I would. Can I just turn it to backwash and let it drain...

Thanks Allen for the link! Very helpful.

I've been managing my own pool poorly for years. TFP has come in like a blinding light shining on my ineptitude. :D No wonder I always get algae! I'm excited to finally learn how to do it right. Here's my first set of tests: FC = 0.5 CC = 1.0 PH = 7.3 TA = 120 CH = 700 CYA = 120 or more...

I'm so glad a friend told me about TFP. I've been managing my own pool for 8 years. In spite of a lot of brushing and talking to people at pool stores and chemical adding, my pool inevitably turns into an algae pond. My kids are stuck at home in lockdown and can't even use their own pool now...