6 Bottles of 5 lbs. of Potassium Permanganate. Free flow fine grade style. Note: Potassium Permanganate must ship via FedEx, please select FedEx shipping at checkout. 6 Bottles of 5 lbs. of Potassium Permanganate. Free flow fine grade style. Specs Potassium Permanganate (KMnO4 ): 98% min. Cadmium: 0.5 ppm max. Chromium: 0.5 wt% max. Lead: 10 ppm Max Mercury: 0.05 ppm Max Sulfates, as SO4% by wt: 0.2 max. Water when shipped: 0.5 wt% max. Type of granulation: Crystals Insoluble residue: 0.5 wt% max. MSDS Sheet Potassium Permanganate regenerates and oxidizes Greensand iron filter media, keeping things running smoothly. Free flow fine grade style. Cannot be shipped outside the lower 48 states, cannot be shipped by air.
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