Calculators Custom pool calculators to help you make smart decisions about your swimming pool. Pool Saturation Index Calculator Pool Stabilizer Calculator: How Much to Add? Pool pH Calculator: How To Get Your pH Level In Range Pool Chlorine Calculator: How Much Chlorine Do You Need to Add? Pool Borate Calculator: How Much Borax Do You Need? Calcium Hardness Calculator: How Much Calcium Chloride to Add (or Water to Replace) Pool Shock Calculator: How Much Shock Do You Need? Sand Filter Calculator: How Much Sand Do You Need? Pool Alkalinity Calculator: What to Add & How Much Pool Salt Calculator: How Much Salt Do You Need to Add? Pool Pump Size Calculator: What Size Pump Do You Need? Sizing Your Pool Heater Pool Volume Calculator: How Much Water Is In Your Pool?
