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Success! We'll Linen, the more aggressive pool school target of 24ppm FC did the trick. I shocked in the evening, it held, and CC was less than .5 in the end. Bo, thanks for the math check. Never saw the bottom of pool calc where you could plug in chem volumes and estimate effects. Guess...

30 days ago I started my pool on the BBB program (well pretty much). My first challenge was lowering T/A from 200 to current 120 via acid + aeration; that concern is getting under control. I'm having difficulty shocking (liquid chlorine) and eliminating the remaining CC. It's been as high as...

Thanks all for the advice. After adding some metal sequestrant the green problem is solved. Two shocks now and water stays clear. Disappointed the testing at our store didn't uncover the true levels present. (Used Malibu brand from American Sale locally - although cheapo at $9/qt it did the...

Thanks. Yes, just realized I included cal-hypo by mistake. Ok, sequestrant, wait, more chlorine shock (glad I'm getting the 12% stuff for $2.50gal). I'm getting a handle on this stuff considering I started this year with 200 TA and PH levels from 6.7 to 7.9 and was using Baquacil for the...

Any thoughts why our pool turns cloudy pea green immediately after adding liquid chlorine or dichlor based shock (2 different brands one with 35% FC, other 65% FC)? After 1-2 days it clears up fine. (Unknown if it clears by filtering or sun baking off the FC). I thought it was minerals/copper...

Just wanted to thank Cabinetman and bluenoise for the soaker hose ideas. Just installed and started running mine today. For anybody else building one I used a 10ft long, 1/2" diam hose duct taped to a 3gal 3.7cfm compressor that cycles about every 3min. A very low 5psi seems to work well...