Black spot recipe

Read labels for safety and mixing details. For continued protection against algae and Black Spot use a recommended algaecide.
  1. Top up pool to highest level.
  2. Add________ litres Hydrochloric acid; Mix in 2-3 buckets of water and splash over pool surface.
  3. Run filter for 2 hours.
  4. Turn off pump.
  5. Leave 20 minutes to settle.
  6. Sprinkle 4kgs stabilized pool chlorine down sides of pool and affected areas.
  7. Leave overnight.
  8. Scrub down pool walls and bottom of pool.
  9. Run filter for 12 hours.
  10. Scrub walls and bottom of pool and leave algae and residue to settle on bottom.
  11. Scrub walls and bottom of pool again 3rd day in a row. Let settle to bottom of pool.
  12. Vacuum to waste.
  13. Take water sample to shop to be balanced.
  14. Add Algaecide-Black Spot killer to skimmer box.
THE MORE YOU RUN YOUR PUMP AND FILTER THE BETTER YOUR POOL WILL LOOK.
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