etchall® dip ‘n etch is a re-usable etching liquid with the consistency of water. Use by “dipping” (submerging) glass objects to create an overall etched surface. Can be used with etchmask stencils and etchall® resist gel to create beautiful designs. Use on: glass, mirror, ceramic, porcelain, marble, or slate. Disposal: Will not harm plumbing. Flush with plenty of water. Caution: Will etch porcelain sinks and tubs. Neutralize with water and baking soda before disposing in porcelain or ceramic sinks.