Promise rings meaning is a symbol of commitment and is often seen as a pre-engagement rings. However, it can be given for many different reasons, such as a symbol of chastity, loyalty, monogamy, friendship, or even a promise to oneself to stay clean and sober.
Length times width gives the surface area of the pool. Multiplying that by the average depth gives the volume in cubic feet. Since there are 7.5 gallons in each cubic foot, multiply the cubic feet of the pool by 7.5 to arrive at the volume of the pool (expressed in gallons).
To calculate how much stabiliser (cyanuric acid) your swimming pool requires to increase the stabiliser level, choose the increase you want and enter the volume of your swimming pool. Desired increase in stabiliser 10 ppm 20 ppm 30 ppm 40 ppm 50 ppm. Volume of the pool ,000 litres.