How To Clean Up Green Pool Water Fast. With the filter pump on, broadcast the chlorine evenly over the water, covering the entire pool surface, until all five pounds of shock, or all ten gallons of liquid chlorine, have been used. Usually, the water will take on a greenish tint, but remain translucent.
This can be easily done with a ph decreaser. One fast way to turn your pool water green is by accidentally adding chlorine to a pool with bromine. If you have a good pool cover, debris should be minimal.
Skim the surface of your pool with a leaf skimmer.
Backwash your sand filter for a couple of minutes. Here are the steps i take to clear a green pool within 24 hours. Unfortunately, there is no magic way to turn a green or black pool clear overnight ! To get rid of green water from a pool, start by using a chemical test kit to test the chlorine and ph levels.