Unicel C-8399 | 100 sq ft Caldera Spa Filter Brand_Ooni Leisure Time pH Balance Plus

Leisure Time pH Balance Plus is a granular pH buffer and stabilizer formulated for spas and hot tubs — and it does something fundamentally different from a pH increaser or decreaser

start with the 2 lb size — not the 5 lb

Media Weight: 4 oz

so it stays active in the water longer and keeps working between treatments

Unicel C-8399 | 100 sq ft Caldera Spa Filter Brand_Ooni Leisure Time pH Balance PlusThe Unicel C 8399 is a large capacity spa filter cartridge delivering 100 square feet of filtration across 259 pleats of Reemay 2033 polyester media, capturing debris down to an average of 20 microns. Built to meet or exceed OEM specifications, it's the replacement cartridge for Caldera Spas, taking the place of Caldera part 1039607. Filtration is the quiet backbone of clean spa water. Every soak leaves behind body oils, lotions, hair, and fine