Question: How to lower alkalinity levels in my pool? Edit
Answer: Alkalinity high means pH level high. First you should go for pH test of pool water. Your alkalinity levels should be between 80 and 120 ppm (which stands for “parts per million”). Depending on the pH, you should add stabilizer. Acid neutralizes base, using the most common aspect of Chemistry we have to add acid in the pool water. Muriatic acid or sodium bisulfate or cynauric acid can be used as a stabilizer.
A typical treatment consists of either 24 ounces (1 1/2 pounds) of sodium bisulfate or 20 fluid ounces of muriatic acid for 10,000 gallons. This is enough to lower the TA by 10 ppm.
Follow following steps to reduce TA of pool water.
1. Turn off the pump and wait at least half an hour for the pool water to stop moving.
2. Choose an open spot in the deep end of the pool and pour the required amount of pH reducer slowly into this one spot. If you are using granule or powder pH reducer, first dissolve it in a bucket of water.
3. The water will become hazy (like the heat coming off a hot road) and may bubble. This is normal.
4. Allow the pH reducer to do its work for 20 - 30 minutes, then turn on the pump and circulate the water for at least 4-6 hours.
5. Test again after 48 hours and repeat as necessary.
To find out how much pH reducer you need, you can use these handy Total Alkalinity Calculators. The calculators are metric and the conversions are:
1 gallon = 3.8 litres Edit
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