Spa Alka+ (1kg)
1. Total alkalinity levels should be tested often and maintained in the range 100 to 150 ppm.
2. If level is below 100 ppm, add 20 g of SPA ALKA + per 1,000L of spa water to raise alkalinity by 10 ppm.
3. Pour directly into spa water with the spa in operation.
4. Wait 15 minutes before using spa.