How do you lower total alkalinity and pH in swimming pool?

Answer 1

To lower the alkalinity in a pool you can use PH Minus or Muriatic acid. When adding pour into one spot in the deep end of the pool away from circulation, make sure the circulation system is running. Do not apply near metal fittings or near the pool skimmer. Also make sure you follow directions when using the product.

Additionally, there are no directions on a bottle of Muriatic Acid. Use muriatic acid no more than a quart at a time; testing about 20 min. intervals until goal is achieved 80 to 120 ppm. The acid is aggressive but not as bad as Sulfuric Acid ( battery acid) so also be careful where you set the bottle. Even if there is no signs of acid dribbling off the bottom of the bottle it willleave a ring.

Your pH is the opposite side of the same coin with alkalinity.

To raise it use Sodium Bicarb. With the pump motor off and water motionless, add the bicarb in the deep-end of the pool, in one spot.

Let it sit for 4 hours or more. Turn the pump on and allow to circulate for 2-3 hours, then re-test. alkalinity is 80-100ppm, not up to 120ppm.

To lower alkalinity, do the same, just use acid. The chart your need in provided in the link below.

Answer 2

Muriatic acid will lower the Total Alkalinity. Dosage is 21 oz. per 10,000 gallons will lower TA 10 ppm. Add in the deep end of the pool, away from skimmers and lights. If using in a vinyl or fiberglass pool per dilute before adding to the pool. Note that muriatic acid will also lower th pH. You will need to adjust the pH using Soda Ash (sodium carbonate)Dosage is 6 oz. per 10,000 gallons will raise pH .2 ppm.

Your pH is the opposite side of the same coin with alkalinity.

To raise it use Sodium Bicarb. With the pump motor off and water motionless, add the bicarb in the deep-end of the pool, in one spot.

Let it sit for 4 hours or more. Turn the pump on and allow to circulate for 2-3 hours, then re-test. Alkalinity should be 80-100, not 150 or higher.

To lower alkalinity, do the same, just use acid. The chart your need in provided in the link below.

Answer 3

We had this issue last year. I took a water sample to the local pool store and they recommended using acid, tons of it, to counter the high alkalinity. Once I did as they said keeping it properly balanced was a cinch!

Additional Answer: If your pH is 7.2 then you don't have to do anything, the alkalinity will subside on it's own. However if the pH is too high, then do what was described in the paragraph above. Test the pH using an OTO test kit a day after making any adjustments, in order to allow the chemicals to thoroughly mix. Hatawa

Answer 4

Getting a water test at your local pool store would be the first step. Second if it still is low alkalinity add alkalinity increaser. Also can add baking soda is the same stuff. If it says 50lbs you need of Alk. you will need to break that into 3'rds. So every 4 to 6 hours add a third. Have the pump running and you should be good to go after that.

Answer 5

All you need to do is put stabilizer in for a non diving 2 1/2, diving 5 pounds make sure the cleaner bag is off for atleast a day so it can break down the crystals.

Answer 6

Add Muratic Acid to lower alkalinity of your pool water. Caution, be sure to research quantity amounts to avoid too much! Check with your local pool card specialist.

Answer 7

With the addition of muriatic acid.