Recommended Chemical Dosage for Swimming Pool Owners

Treatment
Always follow the directions on the product label.
Per 1,000 Gallons Per 100 Cubic Meters Ideal Value/Range
Chlorination
Always maintain correct free chlorine residual in the water.
Dose in accordance with test kit readings.
Granules: To add 1 ppm chlorine. 850gm 1.800kg Indoor Pools 1-2ppm
Tablets: Weekly requirement.
(Private pools only)
1 Tablet 2 Tablets Outdoor Pools 3ppm
Liquid: To add 1ppm chlorine. 400ml 850ml 3-5ppm
Bromination
Always maintain correct total bromine residual in the water. Adjust brominator in accordance with test kit readings
    Indoor Pools
3-5ppm
Outdoor Pools
4-6ppm
pH Correction
To increase pH:
Add Dry Alkali daily until correct pH established.
1lb 1kg 7.2-7.6
To decrease pH:
Add Dry Acid daily until correct pH established.
1lb 1kg 7.2-7.6
Total alkalinity correction
To increase:
Alkalinity Increaser to add 15ppm
3 lbs 3 kgs 100-150ppm
To decrease:
Dry Acid to reduce by 15ppm
2 lbs 2 kgs 100-150ppm
Total Dissolved Solids
To decrease:     Less than
Replace part of pool water with fresh     1500ppm
Calcium Hardness
To increase:
Calcium Chloride to raise 15ppm
2 lbs 2 kgs 100-500ppm
To decrease:
Replace part of pool water with fresh.
     
Chlorine Stabilisation
To stabilise:
Cyanuric Acid to add 30ppm
3 lbs 3 kgs 20-100ppm
To reduce:
Replace part of pool water with fresh
     
Dechlorination
Before emptying the pool or as necessary to lower chlorine residual.
To dechlorinate:
Neutraliser to reduce by 2 ppm
1 llb 1 kg  
To polish water.
After every backwash, or as necessary to
improve water quality. Add Liquid Clarifier.
55 mls 120 mls  

Discover the rest of our blog here at 1st Direct Pools to learn more about your swimming pool chemicals! If you need any assistance, our expert team is on hand to give you advive - simple call us or leave an email and we'll get back to you as soon as we can.

What chemicals do you need for a swimming pool 1st Direct blog