Spa and Hot Tub Chemicals and Testing

DETAILS FROG Serene Bromine Cartridges (formerly Spa FROG) are for use in the FROG Serene Floating Systems, in which pre-filled mineral and bromine cartridges combine in a floating dispenser to give any spa or hot tub crystal clear water with a silky feel. FROG Serene Bromine Cartridges snap easily into a reusable floating holder and when used in combination with the FROG mineral cartridge, reduces the need for bromine by up to 50%. FROG Serene Bromine Cartridges last an average of four...

Stabilized slow dissolving 1 in. tablets - for use in skimmer baskets, floaters and erosion type feeders61% available bromine 27% available chlorine

DETAILSFROG Serene Mineral Cartridges (formerly Spa FROG) are for use in the FROG Serene Floating Systems, in which pre-filled mineral and bromine cartridges combine in a floating dispenser to give any spa or hot tub crystal clear water with a silky feel. FROG Serene Mineral Cartridges snap easily into a reusable floating holder and when used in combination with the FROG bromine cartridge, reduces the need for bromine by up to 50%. FROG Serene Mineral Cartridges last an average of four months. ...