Learning how to remove algae from a salt water pool is the same as any normal chlorinated pool. However, we created this easy guide to help you. Sanitizer isn't enough to keep algae from invading your pool. Get rid of algae and keep it from coming back so you can enjoy a clean, clear pool again. Aug 9, 2017 - If your pool is starting to resemble the set of Swamp Thing, you probably need an algae intervention. Learn how to keep pool algae under . An algal bloom can be a serious pool life buzz killer. To get rid of it, you have to buy additional products, as well as brush and test your water more frequently. Swimming pool green algae requires attention right away.