Jacks Magic 1 Quart Power Blue Scale Off 32 oz Bottle JMPBSCALEOFF032 is great at removing calcium carbonate and efflorescence. Designed specially to remove scaling from about your water line. Scale Off will remove 2-4 mils of scale per application.DirectionsApplication: Spray applies PBSO to dry tile, glass block, vinyl, or stucco using a trigger spray bottle. Use full strength, adjust the spray nozzle to stream (do not mist or aerosolize). Spray directly onto the scale and watch this amazing product go to work immediately dissolving the scale. Spray and brush, repeat until scale is gone, then rinse. Subsequent Applications: At the first sign of reappearance of white scale or efflorescence, spray apply PBSO again, for easy removal and maintenance.

Specifications:

• Boiling Point: >212 deg F
• Brand: Jack's Magic®
• Color: Light Amber
• Container Size: 1 qt
• Container Type: Bottle Form Liquid
• Item: Power Blue Scale Off
• Odor: Mild
• pH Rating: 0.7
• ProductType: Stain & Scale Control
• Solubility: Complete Soluble in Water
• Specific Gravity: 1.21