Cal Stop New Calstop Concentrated Formula For Concrete pool

Description Cal Stop New Concentrated Formula For Concrete pool. PART DESCRIPTION. By adding 1.9 Litre per 60.000 pool of Cal-Stop to your pool and a top up dose every one month of a 1/2 a litre will inhibit the formation of calcium scale and metal stains on the pool surface . This 1.90 litres will do up to 60,000 litres pool.   Whats in the box: One 1.9 Litres Cal-Stop.