pH increaser (soda ash) calculator
PROSoda ash (sodium carbonate) to raise pH.
Short answer: oz ≈ (gal ÷ 10,000) × (ΔpH ÷ 0.2) × 6 (varies with alkalinity). 20,000 gal, +0.3 pH = ~18 oz soda ash. Enter your measurements above and the ph increaser (soda ash) calculator returns the quantity, unit conversions and an estimated cost instantly, in imperial or metric — no sign-up needed.
What do you need to measure?
What is the answer?
Soda ash
18.0 oz
+0.30 pH
Pounds
1.12
How does the ph increaser (soda ash) calculator work?
oz ≈ (gal ÷ 10,000) × (ΔpH ÷ 0.2) × 6 (varies with alkalinity).
What does a worked example look like?
20,000 gal, +0.3 pH = ~18 oz soda ash.
What do people ask most?
›Also raises TA?
Yes — adds ~5 ppm TA per 6 oz per 10k gal.
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Where can you learn more?
Read field notes on estimating and materials, or browse every calculator we make.