How do I dispose of Vari-Etch? Mark Bolick October 26, 2021 07:11 Follow You need to mix a pound of Baking Soda for every gallon of Vari-Etch material and it will neutralize the acidic nature of the Vari-Etch. The resulting materials can be safely disposed of. Have more questions? Submit a request 0 Comments Article is closed for comments.