This product works above and below the waterline
so there will be no readjusting necessary after use of this product
you simply switch out the orange chlorine cartridge when it flips over – just once every 3-4 weeks
and organic contaminants that cause unsightly scum lines and odors in spa water
When the bromine residual reaches 1-2 ppm
Spa Marvel Cleanser 8 oz Local Pool Store Yorktown NY This product works above andThe Spa Marvel Cleanser is a granular product that effectively deep cleans spa's pipes, plumbing, and equipment by removing organic, mineral, and chemical contaminants from the water. Use this product when first opening your spa to eliminate residual left behind by the manufacturer, and during every refill to ensure that your spas surfaces are protected. About this item Deep cleans spa's pipes, plumbing, and spa equipment Removes organic, mineral, and