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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
Manufacturer Part No: 55548A/05
UPC: 733921411517
Flexible: No Uniform texture that cuts and is easy to work with *Surface material that can be used in various home improvement projects and repairs
Dark Room technology blocks 90% of sunlight so families can put the kids to bed early and festival goers can sleep in past sunrise it also reduces temperatures in the tent
UL Rating: 20-A:120-B:C
HTH Granule Calcium Hardness Increaser 4 lb (Pack of 4) VEL-A Manufacturer Part No: 55548A/05Low calcium hardness in your pool can cause pool water to be corrosive, resulting in damage to pool surfaces and equipment. Test your water weekly to make sure your calcium hardness levels are between 200 and 500 ppm. If its below 200 ppm, add HTH Calcium Hardness Up to raise calcium hardness levels and prevent corrosion of metal and plaster surfaces. HTH Calcium Hardness Up is great for all pool types including vinyl lined pools and saltwater
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