1. For initial treatment in early season add 500 g of Soft per 10,000 L of pool water. Add the required quantity in 2 applications at 4-hour intervals.
2. Sprinkle lightly above the water return, not into the skimmer.
3. Add 250 g of Soft per 10,000 L of pool water every month.
4. Check water pH after application and adjust between 7.2 and 7.8 if necessary.