Nature2 Spa Stick uses a proprietary mineral system to destroy bacteria. This process is bromine compatible and allows you to use less chlorine, thereby reducing the potential for odors. Drops inside the filter cartridge for easy installation. Works with bromine, chlorine, or Cense.

Keep spa water at optimum levels easily with these handy Test Strips. Instant readings of the monopersulfate, alkalinity and pH levels just by swirling the Nature2 Spa Test Strip. Color -coded quick guide on package.