FreshWater Chlorine Granules 2 lb | Spa Chlorine Type_Control Module once the desired temp is

once the desired temp is reached

000 gallons — typically 12 to 18 foot above-ground pools

Pro Tip: Many Hot Spring spas use three of these cartridges — check before you order

giving you approximately four months of water care supply for a single hot tub

FreshWater Chlorine Granules 2 lb | Spa Chlorine Type_Control Module once the desired temp isFreshWater Concentrated Chlorinating Granules in the 2 lb size is the right starter for new chlorine program spa owners, occasional users, and smaller spa setups where a 3. 5 lb container would sit half used for too long. Same fast dissolving, pH neutral sodium dichlor formula as the larger size just sized for a more modest commitment. Dichlor is the chlorine specifically formulated for hot tubs. Standard pool chlorines calcium hypochlorite (cal hypo)