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popularEragorn | Staff posted Jul 19, 2025 03:04 AM
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popularEragorn | Staff posted Jul 19, 2025 03:04 AM

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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Sort: Lowest to Highest | Last Updated 8/2/2025, 06:25 AM
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Jul 20, 2025 06:47 PM
107 Posts
Joined Nov 2011
Jul 20, 2025 06:47 PM
scubasharkatlJul 20, 2025 06:47 PM
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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