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popular Posted by Eragorn | Staff • 2d ago
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popular Posted by Eragorn | Staff • 2d ago

16-Pounds Robelle Premium Pool Calcium Up (Calcium Hardness Increaser) $19.88 + Free Shipping w/ Prime or on $35+

$20

$33

39% off
Amazon
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Amazon [amazon.com] has 16-Pounds Robelle Premium Pool Calcium Up for $19.88. Shipping is free w/ Prime or on $35+.

Product Description from Amazon:
  • Calcium chloride for pools
  • Rapidly increases total hardness
  • Helps prevent corrosion or etching of pools
  • Ideal calcium hardness range 200 - 400 ppm
  • 8 ounces raises calcium hardness level 10 ppm per 5,000 gallons of water
  • Prevents the staining or etching of your pool's surface
  • Low calcium hardness level can cause water issues
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Deal Details
Product Info
Community Notes
About the Poster
Amazon [amazon.com] has 16-Pounds Robelle Premium Pool Calcium Up for $19.88. Shipping is free w/ Prime or on $35+.

Product Description from Amazon:
  • Calcium chloride for pools
  • Rapidly increases total hardness
  • Helps prevent corrosion or etching of pools
  • Ideal calcium hardness range 200 - 400 ppm
  • 8 ounces raises calcium hardness level 10 ppm per 5,000 gallons of water
  • Prevents the staining or etching of your pool's surface
  • Low calcium hardness level can cause water issues

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Model: Robelle 16-Pounds Premium Pool Calcium Up, Calcium Hardness Increaser

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Current Prices

Sort: Lowest to Highest | Last Updated 7/21/2025, 09:06 AM
Sold By Sale Price
Amazon$19.88
Lowe's$41.55

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Yesterday
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Joined Nov 2011
Yesterday
scubasharkatl
Yesterday
107 Posts
Thanks OP. Got 1 for next season. This brand dissolves well in a bucket prior to pouring into the pool.

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