Temrex - Gel-Etch - Etching Gel by Temrex SKU 927-2409AA 123 $17.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Payment methods: We accept all major credit cards American Express Mastercard Visa Gel Etch etching gel, 35% phosphoric acid, 12 gram syringe.