NEVER mix different product together in the same bottle or pail. Pool may be used immediately after product application. Shake thoroughly before using. Some sediment may be present in the container which is harmless to the pool and users. Add product directly to the pool water.
Pool Opening:
When starting the pool at the beginning of the season, it is important to well circulate any new water with existing water in the pool. Afterwards, balance pH, total alkalinity, and calcium hardness levels. See your local dealer for other water treatments during pool opening. One week after pool has been treated with pool chemicals for opening, add ENTIRE QUART BOTTLE of the Open-Close directly to the pool.
Maintenance Directions:
For continued results during the season add Nature's Care Pure-Zyme With PhosAway weekly.
Pool Closing:
Once pool has been closed and has been treated with any other pool chemicals ADD ENTIRE QUART BOTTLE of Open-Close directly to the pool. This quart bottle treats up to 20,000 gallons of pool water.