Calcium Blaster And Blocker Quart Spray Bottle by Gundlach

  • Multi-surface protectant helps reduce efflorescence and calcium buildup
  • Use full strength, scrubbing the area and repeating until clean.

    • Safe around pools- will not change pool's pH level.
    • Environmentally safe.
    • Nonhazardous/nontoxic.
    • Acid Free.
    • Low VOCs (Volatile Organic Compounds).
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    Based on 1 Review

    Most Helpful Reviews


    Great cleaner

    We purchased a granite composite sink for our kitchen remodel. After watching the sink gather a buildup of calcium over a short time, I had to research what can help keep this sink looking new. It wasn't easy. I asked around, then I was in a local tile shop and the owner suggested Calcium Blaster. I ordered this product from Contractors Direct, got the product quickly and was amazed how well it has kept my sink looking like new. I recommend this cleaner highly.

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