How to decrease alkalinity in pool. Test the swimming pool total alkalinity level. Lowering your pools alkalinity levels can be a bit tricky especially if you keep having the same problem and youre not sure why. How to lower total alkalinity and adjust ph in a swimming pool.
Take accurate readings of ph and ta in the pool. Lets say that the ph reads. If however high alkalinity is not usually an issue you can use either muriatic acid or dry acid sodium bisulfate to bring it down.
Test the total alkalinity in your pool. The ideal alkalinity level is between 80 and 125 parts per million. Read the product instructions carefully before treating.
Let the acid solution to sit for about an hour in the water. How to lower pool alkalinity. Determine if the alkalinity is high or low.
Turn the swimming pool pump off. Set a target value for total alkalinity. With the use of a pool test kit get a sample of the water with the use of a water collector.
A decrease in ph can be caused by excessive rainwater entering the pool and diluting the water acid rain which can directly drive both your ph and alkalinity levels down and even bodily fluids from swimmers such as sweat and urine oh yeah it happens. Turn on the circulation pump and wait for about 6 hours before you retest the alkalinity level. Read the product label.
Measure your choice of ta lowering chemical either sodium bisulfate or muriatic acid. Turn the pool pump off and wait one hour to let the pool circulation stop. The following points are to be considered as culprits for pool alkalinity.
Use of dry acid or muriatic acid. Turn off your pools pump and wait about an hour for the water to stop moving completely. I always use a lamotte colorq pro 7 digital test kit to do this.
These chemicals although useful in treating swimming pool water are notorious for reducing ph concentration in water. Make sure you have tested your pool total alkalinity. Acid is the answer use muriatic acid to lower the alkalinity in your swimming pool.
When the alkalinity in your pool is too high. Follow the manufacturers. Test your pool water for total alkalinity weekly.
How to adjust the alkalinity level in your pool. Read the directions on the bottle to determine how much acid needs to be added to your pool in order to lower it to under 120 ppm. Adding sodium bicarbonate and muriatic acid.
How to lower alkalinity with muriatic acid. Pour the acid into the deepest part of your swimming pool all at once.