BioGuard Spot Kill kills algae and will rid your pool of unsightly black algae spots. This product is ideal for use in vinyl lined, fiberglass or colored plaster surface pools. 

Directions

Pre-Treatment:

1. Ensure all equipment is working properly

2. Backwash the filter system following manufacturer's directions

3. Adjust the pH to between 7.2-7.6 

4. Check for metals and if present add stain and scale inhibitor to prevent staining

5. Brush all surface-clinging alga including pool steps, ladder and around the skimmer and lights

Standard Application

1. Use 2lbs. of this product per 10,000 gallons of pool water for medium to heavy algae growth and 1lb. for light algae growth.

2. At night or when the pool is not in use, broadcast this product directly into the water in the deep end of the pool with the pump running

3. To prevent possible damage to your pool surface, use a pool brush to disperse any granules that may have settled at the bottom of the pool. 

Ingredients

Sodium dichloro-s-triazinetrione dihydrate - 99.0%

Other Ingredients - 1%