What exactly is the "hub of a 7734"? How hard is that?
Re: High Calcium Hardness and Cyanuric Acid
What exactly is the "hub of a 7734"? How hard is that?
In-ground gunite 16 x 30 13,000 gal. Full screen enclosure. 120 sq ft. Filter cartridge, 1-1/2 HP pump. Master Pools In-floor cleaner. Taylor K-2006.
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