Buy 4 or more for $19.67 each.
Can be used in Spa Frog Floaters, Spa Frog In-Line Systems, or most popular as a stand alone floater. Pre-filled with granular bromine sanitizer for spas and hot tubs.
Adjustable to 6 different settings to meet the needs of every spa. Lasts up to 4 weeks, depending on spa bather load. Simply discard and replace when empty.
Spa Frog Green - 200 grams of granular bromine