https://slavyanski.net/sb2020/story.php?title=pool-covers-a-simple-guide-for-swimming-pool-owners We in addition want to to hold our hardness levels are working in line between 200ppm and 400ppm to stop any scaling or deposits especially in Gunite private pools. It is a parent's responsibility to look out for they so they will be put safe and out of accidents . An alternative would be to buy salt systems or electric oxidation products. Tue, 17 Oct 2023 00:51:32 UTC en