How much CYA in a Puck?

JasonLion

LifeTime Supporter
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TFP Expert
May 7, 2007
37,879
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Silver Spring, MD
#2
Trichlor adds 0.6 ppm of CYA for each 1 ppm of chlorine. The absolute quantities depend on the size of the puck (they seem to come in 6, 7, and 8 oz sizes).