Unicel C-7335 | 35 sq ft Dimension One Filter Brand_Kozy Heat BioGuard Back Up 2 Algaecide

BioGuard Back Up 2 Algaecide is BioGuard's most effective algae preventative

Foam in a hot tub is almost always a symptom of organic surfactants in the water — body oils

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Highland Olympia 2003-2009

Unicel C-7335 | 35 sq ft Dimension One Filter Brand_Kozy Heat BioGuard Back Up 2 AlgaecideThe Unicel C 7335 delivers 35 square feet of filtration built on Reemay polyester media. Built to meet or exceed OEM specifications, it's the replacement cartridge for the Dimension One Spas SpaBerry, taking the place of OEM part 1561 01. Filtration is the quiet backbone of clean spa water. Every soak leaves behind body oils, lotions, hair, and fine debris, and the cartridge is what removes all of it before it clouds the water, feeds bacteria, or