SpotBloc is a Unique Spot Stain Removal Chalk that dissolves metal and organic stains from underwater surfaces. Ideal for removing the waterline scum mark or any other underwater spot stains.

SpotBloc Benefits and Features

  • A blendof Special Acids and Chelating Agents with Block Technology.
  • Ideal for removing the waterline scum mark or any other underwater spot stains.
  • Dissolves metal and organic stains from underwater surfaces.
  • A Great toolto reach stains if they are at the pool bottom or the water is too cold.

How to use SpotBloc

  • Identify the stains to be removed and youwill need to be able to reach the stain with your hands or use the Block Holder.
  • Then simply rub SpotBloc onto the stain.
  • Use a criss-cross pattern to build up a thin layer of SpotBloc's unique stain removing chalk over the stain.
  • Check stain after 24 hours and reapply if necessary, severe or old stains may require several treatments.
  • When finished place SpotBlocin a safe place away from children to dry before putting back into the container.

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