Starting up the pool after draining and refilling, what chemicals are needed to . You have choices - fill from the hose, fill from a truck or fill from a nearby fire . Mar 4, 2016 - Follow these easy steps for ridding your above ground pool of algae, once and for all. . A pool that has favorable conditions for living things will start out . I could also explain the make-up of chlorine and how it works best at . May 9, 2014 - Before you start pouring shock in the pool, the very first step is to brush the sides and floor of your pool to loosen all the algae. . If the algae hasn't cleared up after 24-48 hours, clean and brush the pool and add another shock treatment. . Once the debris is gone from the water, it's time to brush again with . I have green swimming pool water in my above ground pool (5600 gal). I am assuming it is . It does take some time to clear up your green pool water. Be patient and . Should we just drain, clean and start over, or continue to shock and filter? Large amounts of algae may require you to add up to three doses of shock over a 36-hour period. When using large amounts of shock to kill algae, water may . In addition to clogging up sanitation pathways in the water, algae also clogs up the . Algae can even grow under vinyl pool liners, on the walls or floor beneath the liner. . High pH and low chlorine (or other sanitizer) can give algae a great start. . a small amount of surface foaming and are not known as strong algae killers.