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Looking for recommendation. Pool owner for 20 years using only Bleach, Borax, and CYA charts on this board for those 20 years. People still think I’m crazy but every year my pool is crystal clear…thanks to this board. However, now looking for a little more maintenance free and not have to go...

So more of a mystery I’m trying to understand then a problem I’m trying to fix. the PSI of my DE filter has steadily gone down from about 13 to about 7-8. However, flow is super strong...no issues at all. Skimmers (2) is not blocked up and very strong suction there too. MaIn drain also strong...

Anyone know if I can use my Water test kit to measure hardness of my water for my water softener? I need to change a setting on my water softener but it’s asking for hardness in grains per gallon. I’m guessing if use my calcium tester but I don’t know if that’s all that’s testing for hardness.

Should I even worry about saturation index? I don’t quite understand how it could say it’s off yet all my other numbers are perfect. CYA 45 FC 10 Ph 7.6 TA 120 Saturation index = -.8

I realize it depends on weather, use, etc., what would be a “normal” range of FC loss. Assume CYA=50, PH 7.5, TA 110, sunny 85 degrees, 8 hours of direct sunlight? I put solar cover on at night to reduce evaporation and heat loss....gets quite cool at night...65-70 degrees.

I've been using the BBB method for over 15 years and NEVER have put anything else in my pool. For some reason I can't get the "haze" out of my pool. Can see bottom but it just not as crystal sparkling as I have had. I have been running the pool filter 24 hours for last 4-5 days. I've brushed the...

Have had pool for over 13 years and used the BBB method from the very beginning. Have never had a green pool. 20x40 vinyl 30k gal