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Product Features:

  • Minimum 74% w/w calcium chloride.

  • Pelletised form.

  • Helps prevent corrosion of equipment.

  • Helps prevent etching.


  • Protects spa surface and equipment.

Application Instructions:

  1. From water tests, determine amount of Balance Pak 300 needed to raise calcium hardness to between 100 and 200 ppm.  10 grams per 1,000 litres increases calcium hardness 10 ppm. Alternatively, use the dosage table below as an approximate guide.

  2. Divide required dose into 3 equal amounts.

  3. Broadcast first third directly into spa with the circulation running. Do not pre-dissolve. CAUTION: Never add near skimmer intake or directly into skimmer.

  4. Allow to circulate for at least 30 minutes, then repeat with second third.

  5. Allow to circulate for another 30 minutes, then repeat with final third.

  6. Brush up any granules that do not immediately dissolve.

Spa Volume

Increase CH 25 ppm

Increase CH 50 ppm

Increase CH 60 ppm

Increase CH 100 ppm

500 litres

1 Tbs.

2 Tbs.

2 1/2 Tbs.

4 Tbs.

1000 litres

2 1/2 Tbs.

5 Tbs.

6 Tbs.

10 Tbs.

1500 litres

4 Tbs.

9 Tbs.

1 tsp.

16 Tbs.

2000 litres

5 Tbs.

10 Tbs.

12 Tbs.

20 Tbs.

Available Sizes:

  • 500-gram bottles

NOTE: Avoid physical contact with product. Follow safety information on label Instructions. Store in a cool, dry place. Keep out of the reach of children.