Specifications:

• Calcite Blend 80/20: order includes two 50-lb boxes of calcite and one 20-lb box of Corosex, which can be used to create a 80 percent calcite, 20 percent corosex blend.
• Use to raise pH from the 5.0 to 6.0 range up to the 7.0 to 7.5 range; results vary depending on water chemistry.