Quote Originally Posted by chem geek
One Tri-Chlor 3" diameter puck (which I weigh at 8 ounces or half a pound) will add 4.06 ppm of chlorine and 3.33 ppm of CYA in a 10,000 gallon pool so you can calculate accordingly remembering that a larger pool would have smaller amounts (i.e. multiply my numbers by 10,000 and divide by your pool size in U.S. gallons).
We sell individually wrapped single puck at work and they have a net weight of 6 oz.


Richard
just for info purposes.