NEW CONCENTRATED FORMULA 1.9 L (REPLACES 5L BOTTLE)
Last up to six months
-Holds calcium in suspension up to 1000ppm
-Recommended as a water additive for all pool surfaces
-Softens calcium scale in salt cells making them easier to clean
-Note: 1 x 1.9 litre bottle of Cal-Stop will treat a 60,000 litre pool.