This can be done by shocking your pool with high levels of chlorine.
Cleaning dark green swimming pool.
To get rid of green water from a pool start by using a chemical test kit to test the chlorine and ph levels.
Green water or any color other than pristine clear is a dangerous situation waiting to happen.
Pool shock contains a high level of chlorine that will kill the algae and sanitize the pool.
How to get rid of green algae in a pool.
The basic premise is to determine what level of shock you would need to kill all the algae and then maintain this level until the pool is completely clear again.
For the best results use a shock that contains at least 70 available chlorine and shock the pool twice.
Clean the filter often during this process.
The primary cause of a green pool is dirt characterised chiefly by algae infestation.
If the pool has been brushed and shocked it will take a few days to filter out the green and for water clarity to improve.
When your pool s sanitizer and chlorine levels fall below optimal levels or the chlorine becomes entangled with other chemicals in your pool you open the door to your tiny green nemesis.
The sanitizer makes your pool inhospitable to algae and kills it.
Method shock level and maintain.
You don t even want to think about a child falling into the murky water and not able to be seen.
For a medium green pool a 3 pound per 10k gallons of water and 4 pounds for sanitizing a blackish green pool is apt.
There will definitely not be any swimming enjoyment while the water is green.
The green water is probably algae which is unhealthy.
If it s not too green then double shocking by adding 2 pounds of chlorine per 10k gallons of water for each shock will sanitize the water.
Always shock your pool at night.
Then add sodium bicarbonate to increase the ph or sodium bisulfate to decrease it.
Rob at dengarden says if you can see at least six to eight inches below the surface of the water most likely the pool can be treated chemically.
The experts at trouble free pool coined the s l a m.
Next clear any floating debris and scrub the sides and bottom of the pool with a pool brush.
If your pool is dark green bordering on a blackish color it may be more effective to drain the pool completely and acid wash the surface.
The only way to clean a green pool fast is to kill the algae that have bloomed in the water.
Even if you normally use non chlorine shock you must use chlorine shock to kill algae.