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Calcium Carbonate (precipitated chalk) increases pH; 1 gram per gallon adds 106 ppm calcium, 158 ppm carbonate.
Calcium Carbonate 2 oz
$2.00
Availability: In stock
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$2.00
Availability: In stock
Calcium Carbonate (precipitated chalk) increases pH; 1 gram per gallon adds 106 ppm calcium, 158 ppm carbonate.
