Algaecide will be able to help you clear cloudy green pool water such as this. Algaecide, to put it simply, is a pool chemical that can kill algae or prevent it from growing in your pool. ... Algaecide works best in tandem with chlorine sanitizer to keep your pool water clean. Choosing the right type of algaecide is key.

How long does it take for algaecide to clear a green pool?

So how long does it usually take for algae to die after being treated? Algae will be killed within 24 hours of administering a dosage of shock or adding a large amount of liquid chlorine to bring your chlorine level above 10 ppm. After the initial shock keep your pool pump running for 24 hours for the best results.

Why is my pool still green after shock and algaecide?

Algae will remain in your pool after shock if you've had insufficient chlorine and an overabundance of metal elements in the pool water. Therefore, to start the cleaning process. Remove all the debris from the pool with a leaf net and then let the smaller dirt fragments settle.