FROG® Serene Bromine In-Line Cartridge

The FROG® Serene Bromine In-Line Sanitizer System keeps water clean and clear, while reducing bromine and chlorine use by up to 50%. The result is fresh mineral water that is cleaner, clearer, and softer than traditional water care methods. Introducing the innovation of Time Released Bromine Technology – the Time Release Bromine that works together with FROG minerals in the easy to use Frog Inline System Floating. What’s in the Box 1 x Serene Bromine Cartridges   FeaturesUses lower levels of bromine, up to 50% less than traditional systems.Compatible with ozone systems.Shock treatments required only once per month.Each Bromine cartridge lasts 3-4 weeks depending on use.Each Mineral cartridge lasts up to 4 months. Compatibility All spas & hot tubs with the In-Line System built-in.