Directions for use:
Maintain proper daily levels as determined by testing kit.
Free available chlorine: 1.0-3.0ppm
calcium hardness: 200-300 ppm
If using an automatic chlorinator, fill the chambers with mini-pucks and adjust flow rate, according to manufactures recommendations to maintain proper chlorine residual. Daily use should be approx. 25 g of Super-Disc 10,000 L of pool water. Each puck is 200g.