In order to keep pool treatments working efficiently and pool water being kind to your skin and pool equipment, your pool water should have an alkalinity level of around 7.4 to 7.6. Pro-Kleens Alkalinity Increaser helps to keep your alkaline levels up to maintain a healthy bathing environment. If your pool water is too acidic, it can cause skin irritation and damage to pool equipment. Pro-Kleens TA Plus Total Alkalinity Increaser increases the alkalinity levels of your pool water to lower the acidity of your pool water with ease. Pool treatments such as chlorine tablets and granules work best when your pool water is measuring slightly on the alkaline side at between 7.4 and 7.6. By using TA Plus Total Alkalinity Increaser, your pool water will be kept at the perfect level of alkalinity to make sure pool treatments work to keep your pool water fresh, clean and a safe place to be.