AlgaeFree SpotBlock Stain Eraser (Single) 250g - ALG-SB-01

SKU:10004417
$19.99

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 is a blend of Special Acids and Chelating Agents with Block Technology.

  • Simply Rub on Powerful Chalk
  • Remove Calcium Scum Line
  • Remove Annoying Organic and Metal Stains

Identify the stains to be removed. Then simply rub SPOTBLOC on to 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 SPOTBLOC in a safe place away from children to dry before putting back into the container.

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