Quick Water Test
Fast entry for all readings with instant dosing recommendations and LSI calculation.
Calculators & Tools
608+ Answers
Updated Weekly
Free
My Pool Settings
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Climate & Cover
Typical Chemistry
Pre-fill calculators with your usual levels (optional)
30-50 chlorine, 70-80 SWG
60-80 recommended
250-350 recommended
Equipment
Select your equipment to personalize checklists
Pool Saved to Cloud
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Chlorine / SLAM Calculator
Calculate chlorine dosing based on your CYA level. Includes SLAM targets.
pH Calculator
Calculate muriatic acid or soda ash needed to adjust your pool pH.
Alkalinity Calculator
Calculate baking soda dosing to raise Total Alkalinity and stabilize pH.
CYA / Stabilizer Calculator
Calculate cyanuric acid dosing to protect chlorine from UV degradation.
Calcium Hardness Calculator
Calculate calcium chloride needed to raise CH and prevent damage.
Salt Calculator
Calculate how much salt to add for your salt water pool SWG system.
Borates Calculator
Calculate boric acid or borax dosing for pools and hot tubs (target 30-50 ppm).
Pool Volume Calculator
Calculate your pool's volume in gallons from dimensions. All shapes.
