
Importance of Water Test, Many owners underestimate pool water test as it only focuses on how to keep the pool water looks clear and clean it. It's easy to create a pool of murky water, solid black to be clean and clear, one with a PAC. The function of the PAC is to bind dirt / dust in the air, so it will form a jelly-like and settle to the bottom of the pool. After that just need to vacuum sediment and water will look clean and clear.
Another problem, usually on a green pool water (as moss) Granular just fill a pool with it, and it will kill the moss and loose from the walls of the pool. After that, sprinkle a little with the PAC allow 20 minutes then vacuum and the problem has been resolved. But are sure that the pool water looks clean...