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Superior Grocer in Southern California/LA Region has 96 oz of 6% bleach for $0.99, so ~$0.17 per oz of pure chlorine.

Last year around this time I had 600 CH, so I gained about 300, so I'm getting about 25 ppm per month. I don't know if I should wait until problems occur or do something soon. For the time being it's perfectly fine. The rain water collection is a nifty idea which I'll consider doing next winter.

The lime softening method is mentioned on the other pool forum here http://www.poolforum.com/pf2/showthread ... nt-Process and mentioned here in the deep end section. It would take quite a bit of draining to get my CH down to ideal levels, based on my calculation 75% drain and refill [ x*900...

I just searched the forum and found this nicpppardo-reverse-osmosis-t57161.html which says that there is no reverse osmosis service in the Los Angeles area which is where I am. Is lime softening the only option for my area then?

My pool looks great however the CH I tested was pretty high. The pool is perfectly sparkling clear blue with no issues except for high CH and CYA. Test results for my 20k plaster pool with SWCG, 1.5 hp pump, and cartridge filter. FC: 10 CC: 0 pH: 7.6 TA: 120 CH: 900 CYA: 110 Salt: 3400 City...