Doheny's Master Swimming Pool Winterizing Chemical Kit - Up to 35,000 Gal.
Our Master Kit stops algae growth all winter long. When used with the included floating dispenser (filled with an additional 4lb of chlorine free oxidizer), the chemicals choke off the carbon dioxide supply to any organic contaminants that may enter your pool, effectively ridding them of nutrition and preventing their survival. The result: fast and easy clean up come Spring without the need for extensive chemical treatment. For use in any pool up to 35,000 gal. Get ready for a new swimming season!  Kit includes:  1 Liter Pool Magic Spring & Fall w/Phosfree, 1 Liter METALfree, 4 Lb. Floating Slow-Dissolving Winter Oxidizing Tablets, 3 Lb. Non-Chlorine Oxi Shock