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Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 14 - Jun 19
For Your Every Summer RSVP, with Code: SUMMER15
Description
Pool Solutions P37004DE Calcium Hardness Increaser 4lbPool Solutions Calcium Plus Pool Solutions Calcium Plus increases water hardness when necessary to prevent pool water from becoming corrosive to plumbing and damage to pool surface. The most important step in pool maintenance is keeping the pool water balanced. Features: Brand New Pool Solutions Calcium Increaser 4 Lbs Raises Total Alkalinity and Helps Keep pH Stable Easy to Apply Complete instructions for dosage on container Recommended Calcium

Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 2319 reviews
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Product Reviews
★★★★★ 5
Just the part I needed
Number of Items: 1
It was a perfect match to the one I needed to replace. And the shipping was lightning fast
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
★★★★★ 5
Works great
Number of Items: 1
Works great easy fix for my Merc. Trim motor
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 3, 2025
★★★★★ 5
Worked well
Number of Items: 1
Worked well for the money
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 27, 2025
★★★★★ 4
Buy
Number of Items: 2
Great deal
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 24, 2025
★★★★★ 5
Perfect replacement solenoids.
Number of Items: 2
Perfect fit and works as expected!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 11, 2025
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