We think that the last step to a new pool should be a relief and not another headache. However, there are metals present in your fill water. Carbonates are also introduced into the water as part of the curing process. This combination turns your beautiful new pool into a stained one. This is where Start-Up Treat™ comes in: it binds metals and calcium into less reactive highly soluble compounds – preventing stains and removing plaster dust. The result is an easy start to a beautiful pool.