Calcite + Corosex 80/20 Percent 1Cubic feet

$259.95

Calcite Blend 80/20: order includes 1 CUBIC FEET of calcite and Corosex, which can be used to create a 80 percent calcite, 20 percent corosex blend.
Use to raise pH fro the 5.0 to 6.0 range up to the 7.0 to 7.5 range; results vary depending on water chemistry.