Directions:

For Closing Pools;

1. Shake well before using as contents settle.
2. One to two weeks before closing, add entire contents of bottle to the skimmer.
3. Close pool normally.
4. 1L/33.9oz. bottle treats up to 25,000 gallons (95,000L)

For Opening Pools;

1. For New Pools follow dealer instructions to fill, balance water chemistry and sanitize.
2. For Existing Pools clear out debris, top up water and start up filter system. Balance water chemistry and sanitize.
3. Shake bottle well and add entire bottle for pools up to 25,000 gallons (95,000L) to skimmer with filter running.
4. Operate pool normally for 2 weeks.
5. Then, backwash/clean filter, ensure phosphate levels are below 300ppb, and begin regular weekly maintenance with Pool Perfect + PHOSfree