HTH Calcium Hardness Up Pool Chemical, 4 lb, 4/CS

Raises calcium hardness so your pool water stays easier on surfaces and equipment.

Pool care calcium up for all pool types, including vinyl lined pools and salt water systems.

Product Overview:

When pool water runs soft, it can start to nibble at the works. HTH Calcium Hardness Up gives you a straightforward way to bring calcium hardness back up, which helps protect pool surfaces, vinyl linings, and equipment from corrosion. That matters whether you manage a backyard pool or a busier setup. It works for all pool types, including vinyl lined pools and salt water systems. Picture clearer water balance, fewer rough edges, and a pool that feels steadier underfoot. It is a plain fix, really, but a useful one when you want the water to behave.

Key Features:

• Raises calcium hardness: Helps correct low calcium levels before the water turns sharp on pool surfaces and equipment.
• Corrosion protection: Supports a gentler water balance, so metal and plastic parts face less wear and tear.
• Works across pool types: A solid fit for vinyl lined pools and salt water systems alike, no fuss.
• Pool care use: Gives you a practical way to keep water chemistry in a steadier range, which you can feel in the day to day.
• 4 lb pack, 4 per case: Handy when you want enough product on hand for regular maintenance and a smoother routine.

Quick Specs:

• Manufacturer: Solenis
• Model Number: 67059

Set this in place and you get water that feels more settled, sounds less troubled, and treats your pool gear with a bit more care. Ready to make that part easier?