LaMotte Pool & Spa Owner's Handbook - Manual (Page 28)

ñ Raising pH to 7.5 with Soda Ash*
U.S. Customary Units:
Starting
from
100
Gallons
1,000
Gallons
5,000
Gallons
10,000
Gallons
20,000
Gallons
50,000
Gallons
pH — Tsp Lb Oz Lb Oz Lb Oz Lb Oz Lb Oz
7.2 - 7.4 — 0.4 0 0.6 0 3.2 0 6.4 0 12.8 2 0
7.0 - 7.2 — 0.6 0 1 0 4.8 0 9.6 1 3.2 3 0
6.8 - 7.0 — 0.8 0 1.3 0 6.4 0 12.8 1 9.6 4 0
<6.7 — 1 0 1.6 0 8 1 0 2 0 5 0
Metric Units:
Starting
from
400
Liters
4000
Liters
20000
Liters
40000
Liters
80000
Liters
200000
Liters
pH Kg g Kg g Kg g Kg g Kg g Kg g
7.2 - 7.4 0 2 0 18 0 96 0 192 0 384 0 960
7.0 - 7.2 0 3 0 30 0 144 0 288 0 576 1 440
6.8 - 7.0 0 4 0 39 0 192 0 384 0 768 1 920
<6.7 0 5 0 48 0 240 0 480 0 960 2 400
Notes:
* Treatments in low alkalinity waters require less soda ash while treatments
in high alkalinity waters may require more soda ash.
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