SPA FROG MINERAL CARTRIDGE REFILL Thermometers It also prevents corrosion of

It also prevents corrosion of metals

The step is also useful for reaching over the wall when vacumming your spa or pool

2 MBHP for hot tub spas

Gauge: 8g (0

If the pH is below 7

SPA FROG MINERAL CARTRIDGE REFILL Thermometers It also prevents corrosion ofUse the Spa Frog Mineral Cartridge refill in either the Spa Frog Floating System, or for users of the Spa Frog Inline System which is factory installed in some hot tubs. The minerals typically last approximately 4 months. Use with Frog Bromine Cartridge. SPA FROG Mineral Sanitizers work with low levels of bromine for the highest water quality. Cartridges work in the frog floating and in line systems. Reduces bromine use up to 50%. Reduces maintenance