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Vac-Alert VA-2000S
skin and eye irritation
purchased separately
no connections to pool system
For stain prevention use on quart per 20
DuraChlor Calcium Hardness Increaser - 4 Pounds pool-diving-boards Vac-Alert VA-2000SDuraChlor Calcium Hardness Increaser Calcium Hardness Increaser is used to raise the total hardness in swimming pool water. Low calcium levels can cause damage to the pool surface and equipment such as etching, pitting, corrosion or other similar problems. Calcium Hardness Increaser Features: Raises the water hardness in pool water Proper calcium levels prevents damage to pool surface and equipment Calcium flakes Size: 4 Pound Bucket Dosage Amount:
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