HTH® Black Algaecide

Directions for use:

(Based on a 50 000l pool)

Use only as directed.

1. Free Available Chlorine (FAC) level must be below 1ppm.
2. Disconnect the automatic pool cleaner
3. Backwash the filter for 2 mins and rinse the filter for 20 seconds
4. Vigorously brush the algae infested area with an HTH® Algae brush.
5. With the pump on the filter position and add one bottle of HTH® Black Algaecide Micro around the sides of the pool.
6. Run the filter for 24 hours
7. Again, backwash the filter for 2 mins and rinse the filter for 20 seconds
8. Again, vigorously brush the algae affected area.
9. Run the filter for a further 24 hours
10. Reconnect the automatic pool cleaner
11. Resume normal filtration and chlorination.

In the case of server algae, use 2 x bottles of HTH® Black Algaecide Micro per 50 000l – follow directions above