Mor-Cal is used to raise calcium hardness in pool and spa water, helping protect surfaces and equipment from corrosion. Proper calcium levels reduce etching on plaster, vinyl, and fiberglass while improving overall water balance. This fast-dissolving formula is easy to apply and ideal for regular water maintenance.
A must-have for keeping your water balanced and your pool or spa in good condition.
Key Benefits
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Raises low calcium hardness
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Helps prevent corrosion and surface damage
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Fast-dissolving and easy to use
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Suitable for pools and spas
Available at Swim & Spas for dependable water care.
