Leisure Concepts CoverMate III Eco B Brand_GLB deep contamination is the likely

deep contamination is the likely cause

while the C-8326 has a 1-1/2 inch male slip fitting on top (the Microclean Plus style

The formula is a 40% quaternary ammonium algaecide that protects against a broad spectrum of algae

and it's a meaningful difference from cheaper granular chlorine that carries fillers straight into your filter

Leisure Concepts CoverMate III Eco B Brand_GLB deep contamination is the likelyLeisure Concepts CoverMate III Eco B Overview For customers wanting a lower cost hydraulic assisted cover lift, the CoverMate III Eco is a perfect option. Built with aluminum brackets rather than the composite brackets of the premier CoverMate III, the Eco version delivers impressive performance without sacrificing quality. Value comes standard with the CoverMate III Eco. What's in the Box 1 x CoverMate III Eco B Install Manual and Warranty Features