Gunite, 3 1/2 years old. About 30,000 gallons.
Gunite, 3 1/2 years old. About 30,000 gallons.
Yes, definitely, you need a K2006 -- you not only have to manage CYA levels, but you actually need to "balance" your pool water (manage pH, alkalinity, & calcium hardness) to protect the plaster and concrete.
PoolDoc / Ben
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