CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

 

We consent to the incorporation by reference in this Registration Statement of Aqua Metals, Inc. on Form S-3 of our report dated February 28, 2019, with respect to our audit of the consolidated financial statements of Aqua Metals, Inc. as of December 31, 2018. We also consent to the reference to our Firm under the heading “Experts” in such Prospectus.

 

/s/ Armanino LLP  
   
San Ramon, California  
May 10, 2019