St. Cyr Stain Preventer 1qt Spa Heaters Model: 602180

Model: 602180

Precision-engineered shaft seal for reliable

all-in-one system that combines reliable power delivery with effortless color control

Durable 48Y frame extends life in demanding spa environments

Ready-to-soak in just 15 minutes

St. Cyr Stain Preventer 1qt Spa Heaters Model: 602180St. Cyr Stain Preventer 1qt (No Returns On Chemicals) St. Cyr Stain Preventer 1qt for pools is a stain and scale control product formulated to prevent and remove unsightly stains and scale caused by metals like iron, copper, and manganese, as well as high calcium hardness, in swimming pools. This type of sequestering agent is especially important when filling your pool with tap water, which may contain these metals and minerals that can discolor water