Jacuzzi® ProClear Mineral Spa Sanitizer – Controlled Release Silver‑Mineral Cartridge (J‑300/J‑400/J‑500/LX) – part #2890‑185

Official Jacuzzi® ProClear™ Mineral Spa Sanitizer cartridge (part #2890‑185), designed to drop into your filter cap for effortless installation

Uses Controlled Release Technology (CRT) to release trace amounts of silver and other minerals during shock treatments, naturally sanitizing water and reducing chlorine demand by up to 50%

Works in tandem with spa oxidizers such as MPS, Trio #2 shock, or chlorine to enhance clarity and soften water feel

Compatible with Jacuzzi® J‑300, J‑400, J‑500, and J‑LX hot tub models that feature removable filter cap mounts for mineral stick insertion

Lasts approximately 4 months under typical weekly use—replace at that interval for consistent performance

Helps maintain stable pH, prevents staining, and minimizes odor while providing a more gentle spa experience