HOW TO REMOVE MOULD FROM YOUR POOL PAVING

The stone or concrete which is used to pave the borders and pathways to your pool are especially prone to mould, since these are constantly exposed to moisture from the splashing of chlorinated water.

Here are some suggestions to remove, if not kill, the unsightly and dangerous mould from your pool paving.

  1. Dry the area. Use a hair dryer if necessary to dry the spot where the mould is growing as thoroughly as possible. If the mould is growing on sandstone that serves as pool decking, evaluate how to stop the water from accumulating on that surface. It may be that the pool aerators are blowing back spray onto the sandstone or there is a low spot in the sandstone that collects water when it rains or from splashing. If there are sandstone paving stones that rain from gutters falls on, consider getting downspout extenders to divert the rain away from the sandstone, minimising the chances of mould growing on the sandstone walkway.
  2. Pour 3 per cent peroxide on the mould and scrub with a soft brush. If the mould is deeply embedded in the sandstone, perform more than one treatment. Let the area dry before treating again. If the mould continues to grow, use 35 per cent peroxide to treat the area.
  3. To help with this problem from reoccurring, follow the following steps: saturate any surrounding garden or lawn.  Apply 15 milligrams of copper sulphate to 1 litre of water to the pavers while the pavers are dry. Leave on pavers for approximately 1 hour. Saturate any surrounding garden or lawn.

Hose away any residue.

  1. Seal Pavers by:
  • Wet area thoroughly
  • Mix Hydrochloric acid and water ratio;15.1
  • Wash area with stiff broom and hose off after 5 minutes
  • Ensure pavers are clean and completely dry before sealing and that no rain is forecast for 24 hours.
  • Apply paving sealer to area with either light broom or roller. Be sure to check the instructions and follow all safety directions.
  1. Seal the stone to prevent mould from growing in the future, especially if the area is going to be constantly exposed to moisture. Some moulds are toxic to people and pets and mould will spread to surrounding areas if given a hospitable growing environment.

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MYAREE 6154 WA

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