Frog Blue Serene Mineral Refill Control Board Let your slippery steps get

Let your slippery steps get a bit of smooth shine

Get ready to be totally blissed out

causing your cares to melt away

And with strong

Frog @ease maintains a low level of chlorine at all times and conditions the water for softness

Frog Blue Serene Mineral Refill Control Board Let your slippery steps getFROG Serene keeps your hot tub clean while eliminating the work and the guesswork. Instead of spooning in bromine daily, you simply replace a pre filled cartridge about once a month. FROG Serene works by killing bacteria in two ways with sanitizing minerals and a very low level of bromine. The resulting Fresh Mineral Water has a completely different quality that provides the serene feeling youre looking for.