\r\n\tFree Shipping on Orders Over $50
\r\n\tSolutions for Every Space, Style & Budget\r\n
Temporary Price Drop
$ 20.79 - $51.99 -
List Price: $20.79 - $54.59
Was: - (Save )
Ends: Today at ET!
You save 23%
Free Shipping on orders over $49

Select options for details
Oversized Item Fee
Earn in My Rewards Earn 3% cash back on future purchases in My Rewards
     Clear Selection
{{{true:'No image available for this option.', false:'Hover an option to enlarge.'}[largeSwatch.src === 0]}}

This option is not available with your selected options.

HN-ROBE536 Robelle

Robelle Calcium Plus

Item # HN-ROBE536
Roll over to zoom
Click for full screen
  • Robelle Calcium Plus
Robelle Calcium Plus

Dimensions & Specifications


Product Guarantee

Return & Exchange Policy

  • Raises calcium hardness level
  • Helps prevent pool equipment corrosion and metallic stains
  • Add 6.25 lbs. per 10000 gal. of water to raise the hardness
  • Recommended range of hardness level is 200-400 ppm
  • Choose from available capacities
Full Description
Delivery Options
About This Brand
Guarantee & Returns
Customer Reviews
Earn up to $3 in Rewards
for reviewing this product when you join My Hayneedle Rewards

Write a review
$2 for each review
$3 for reviews including an image or video
Learn More

Customer Q & A

Be the first to ask a question about this product.

Enter your question, and one of our Customer Care experts will respond via email and also post the answer here.

Ask a Question
Email Address
Your Question
Please Enter
Your Question
Sponsored Links