Dosages Required to Chemically Treat
40,000 Litres of Water

FUNCTION/CHEMICAL

CHANGE/AMOUNT

Increase Free Available Chlorine
Chlorine Gas
Calcium Hypochlorite
Sodium Hypochlorite
Lithium Hypochlorite
Dichlor (62%)
Dichlor (56%)
Trichlor

1 mg/L
40 grams
63 grams
330 ml
110 grams
65 grams
72 grams
44 grams

Neutralize Free Available Chlorine
Sodium Thiosulfate
Sodium Sulfite

1 mg/L
79 grams
71 grams

Increase Total Alkalinity
Sodium Bicarbonate ( Baking Soda )
Sodium Carbonate
Sodium Sesquicarbonate

10 mg/L
670 grams
400 grams
600 grams

Decrease Total Alkalinity
Muriatic Acid (31.4%)
Sodium Bisulfate

10 mg/L
800 ml
1.03 kg

Increase PH

0.2 *

Sodium carbonate ( Soda Ash )

198 grams

Sodium Hydroxide ( 50% ) ( Caustic Soda )

163 ml

Decrease PH

0.2 *

Muriatic Acid

355 ml

Sodium Bisulfate ( Dry Acid )

454 grams

Carbon Dioxide ( CO2 )

113 grams

Increase Calcium Hardness
Calcium Chloride ( 100% )
Calcium Chloride ( 77% )

10 mg/L
402 grams
575 grams

Increase Stabilizer
Cyanuric Acid

10 mg/L
400 grams

* Amounts may vary depending on ph levels.
NOTE: This chart gives approximate amounts of each chemical. Manufacturers Labels should be read for exact amounts.

Always "B2"

Always "C2"

Always "A"