- 100% w/w granular sodium carbonate.
- Raises pH and can increase total alkalinity slightly.
- Helps prevent corrosion of metal equipment.
- Protects spa and equipment.
- If pH drops below 7.2, add Balance Pak 200 with circulation running but aeration off.
- Determine amount by performing an alkali demand test in a BioGuard test kit.
- Do not add more than 30 grams per 1,000 litres at a time.
- Retest pH and adjust if necessary.
- If controlling the pH is a continual problem, test for total alkalinity and adjust as necessary.
- 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.