Calcium will leach out of the plaster if the calcium level is below 200ppm - you don't want this to happen as it can damage the plaster. Yes - you want to get it to the 200-400ppm range.
Re: new plaster
Calcium will leach out of the plaster if the calcium level is below 200ppm - you don't want this to happen as it can damage the plaster. Yes - you want to get it to the 200-400ppm range.
Completed 8/21/06
14,000 gallon 3'-6' concrete pool with Diamond Brite
Spa with spillway
250K BTU gas heater (for spa)
SWCG - Aqua Rite
Hayward Super II Pump - Cartridge filter
See pictures here http://www.philsimmons.com/family/ga...mages&keyword=
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