Reference

Pool Dosing Chart — Truck Reference Card

The eight adjustments a service tech makes all season, pre-calculated for common pool sizes. Print it, laminate it, keep it in the truck.

Updated June 2026

Prints clean on one page — laminate it and it lives on the truck.

POOL DOSING QUICK REFERENCE

tadpolepool.com/resources

AdjustmentProduct10k gal15k gal20k gal25k gal
Raise FC +1 ppmLiquid chlorine 12.5%11 fl oz16 fl oz21 fl oz27 fl oz
Raise FC +1 ppmCal-hypo 65%2.1 oz3.2 oz4.2 oz5.3 oz
Lower pH −0.1 (at TA 100)Muriatic acid 31.45%8 fl oz12 fl oz16 fl oz20 fl oz
Lower TA −10 ppmMuriatic acid 31.45%26 fl oz39 fl oz52 fl oz65 fl oz
Raise TA +10 ppmBaking soda1.4 lb2.1 lb2.8 lb3.5 lb
Raise CH +10 ppmCalcium chloride 77%1.3 lb1.9 lb2.5 lb3.1 lb
Raise CYA +10 ppmStabilizer (CYA)0.8 lb1.2 lb1.7 lb2.1 lb
Raise salt +500 ppmPool salt42 lb63 lb83 lb104 lb

Standard industry estimates — always follow the product label. Acid: add to water, pump running, never mix with chlorine. Retest after a full turnover. pH doses assume TA ≈ 100 (higher TA needs proportionally more acid).

How to use the card

Every dose scales linearly with volume: a 12,500-gallon pool takes a dose a quarter of the way between the 10k and 20k columns. For exact numbers on odd sizes — or bigger pH moves — use the calculators: chlorine, acid, salt, and LSI for overall balance.

Why a paper card when there are calculators? Because gloves, sunscreen, and a wet phone screen don't mix at stop #43. The card covers the routine doses; the calculators cover everything else. And when you're ready to stop re-deriving doses entirely — Tadpole logs readings and doses per stop, so the pool's history does the remembering.

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