Product Review

The for Spa's Yellow unit supports 100 - 400 gallon spa's or fountains. is an easy to use algaecide that reduces chemical demand, improves water quality, lasts for up to 6 months, and really works! contains a proprietary blend of minerals that continuously and effectively eliminates algae. Simply start with fresh water and a clean filter and pick the correct sized Spa unit based on total gallons, then, drop the for Spa unit into the pump basket or skimmer. The specially treated alloy cylinder is packed with the mineral formulation.