Specifications:

• Calcite Blend 90/10: order includes two 50-lb boxes of calcite and one 10-lb box of Corosex, which can be used to create a 90 percent calcite, 10 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.