GROWBLOX SCIENCES, INC.

7251 West Lake Mead Blvd, Suite 300

Las Vegas, Nevada 89128

January 22, 2015

Via EDGAR

THE UNITED STATES SECURITIES

AND EXCHANGE COMMISSION

Mr. H. Roger Schwall

Assistant Director

Division of Corporation Finance

Washington, D.C. 20549

Re:           Growblox Sciences, Inc. (the “Company”)

Form S-1; File No. 333-198967 (the “Registration Statement”)

Withdrawal of Request for Acceleration

Dear Mr. Schwall:

On January 14, 2015, as CEO of the Company, I requested in behalf of the Company, the acceleration of the effective date and time of the Registration Statement to 3:00 p.m. Eastern time on January 21, 2015.  Again in behalf of the Company I hereby withdraw our request for acceleration of the Registration Statement as of January 21, 2015, or any other date.

Very truly yours,

/s/ Craig Ellins

Craig Ellins

Chief Executive Officer