Pool Magic Spring & Fall uses SMARTZyme™ technology that is designed specifically to work in cold water. Pool Magic controls non-living organic contamination during the off season to minimize the work when opening the pool.
Directions for use:
Add entire bottle per 25,000 gallons directly to the pool water evenly around the edge.
Note: Sanitizer level should be below 5ppm before adding this product. No shocking necessary.
Bring water level to normal and balance water chemistry. Add entire bottle per 25,000 gallons directly to the pool water once the sanitizer level is below 5ppm.