Continue this process until you notice the water changing color to either cloudy white light green or clear.
Clean green swimming pool water.
Test the ph levels.
This can be done by shocking your pool with high levels of chlorine.
Green water or any color other than pristine clear is a dangerous situation waiting to happen.
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.
Then add sodium bicarbonate to increase the ph or sodium bisulfate to decrease it.
If the pool has been shocked and is no longer green but turns green again after a day or two check the water chemistry and pay particular attention to phosphates in the water.
The green water is probably algae which is unhealthy.
After shocking the pool filtration becomes a key factor in clearing up a pool.
You don t even want to think about a child falling into the murky water and not able to be seen.
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.
Then cleaning is much easier than draining.
Other than that you can shock the pool to clean it.
Start off by adding 3 or 4 gallons and if you see no results overnight add 3 or 4 more gallons the next day.
Method shock level and maintain.
You can drain all the water but unless it s too green and borderline black there is no need to drain all the water.
The only way to clean a green pool fast is to kill the algae that have bloomed in the water.
Shock the green pool.
If even after knowing why your pool water turned green your swimming pool has become an abode for algae and bacteria time to clean it.
You can however try to clear the green pool water first before choosing the nuclear option.
You can check your filters here too and clean them up for the next step if you wish.
The experts at trouble free pool coined the s l a m.
If your pool is very dirty it may need many gallons of liquid chlorine shock over a period of days before the water clears.
Clean the filter often during this process.
To get rid of green water from a pool start by using a chemical test kit to test the chlorine and ph levels.