To increase alkalinity by 10 ppm in 10,000 gallons of water, how much sodium bicarbonate is needed?

To increase alkalinity by 10 ppm in 10,000 gallons of water, approximately 1.5 pounds (or 1 and 1/2 pounds) of sodium bicarbonate is indeed the correct amount needed.

Sodium bicarbonate, commonly known as baking soda, is often used to raise the total alkalinity of pool water. The relationship between the amount of sodium bicarbonate needed and the amount of water being treated is based on the chemical properties of the compound and how it interacts with water.

In this instance, the calculation for sodium bicarbonate is derived from standard guidelines which suggest that adding 1.5 pounds can increase the alkalinity of 10,000 gallons of water by 10 ppm. This increment helps to stabilize the pH levels in the swimming pool, preventing fluctuations that could lead to discomfort for swimmers or damage to pool equipment.

Understanding the correct dosage is crucial for effective pool maintenance. Using too little may not achieve the desired result, while using excessive amounts might lead to overshooting the alkalinity level, which can create its own set of complications. Therefore, knowing the precise amount to add promotes both efficiency and safety in pool management.