Zinc sacrificial anode.
Quartz Lump/powder Grade: A, M, & B , Copper Ore, Copper Concentrate, Zinc Ore And Concentrate, Lead Ore And Concentrate, Vanadium Ash, Copper Matte And Zinc Ash.
Nitric acid, sulfuric acid, phosphoric acid, iron oxide red, sulphur, iron oxide yellow, iron oxide brown, iron oxide black, chrome oxide green, ultramarine blue, tuna flavor, chicken flavor, chocolate flavor, green onion flavor, cheese flavor, vanilla flavors.