There is a slight misconception about saltwater pools systems: they do have chlorine. When the salt is electronically zapped through electrolysis, it naturally turns the salt into chlorine. So, one might ask, why then the debate?
It may surprise those who've never had a pool, but typically in-ground swimming pools do not need to be drained. In the case of fiberglass pools you should NEVER drain your pool without first consulting your dealer. Even if the water seems beyond help, draining usually isn't the answer.
Treating a pool that has turned green? This article will get you step-by-step through how to get that nasty pool in shape. I will also cover some basic chemistry and filtering tips to prevent this from happening again.