National Securities Corporation
410 Park Avenue, 14th Floor
New York, NY 10022
July 29, 2015
Securities and Exchange Commission
100 F. Street, N.E.
Washington, D.C. 20549
| Re: | Aqua Metals, Inc. | |
| Registration Statement on Form S-1 | ||
| File No. 333- 204826 |
Ladies and Gentlemen:
In connection with the Registration Statement on Form S-1 of Aqua Metals, Inc. (the “Company”), the undersigned hereby joins the request of the Company that the effectiveness of said Registration Statement be accelerated to 4:30 p.m. Eastern time on July 30, 2015, or as soon thereafter as practicable.
| Very truly yours, | ||
| NATIONAL SECURITIES CORPORATION | ||
| By: | /s/ Jonathan C. Rich | |
| Name: Jonathan C. Rich | ||
| Title: EVP – Head of Investment Banking | ||
