EXHIBIT 23.1

CONSENT OF ATTORNEYS

Reference is made to the Registration Statement of Flexible Solutions International, Inc., whereby the Company proposes to sell securities having a maximum value of $7,996,255. Reference is also made to Exhibit 5 included in the Registration Statement relating to the validity of the securities proposed to be sold.

We hereby consent to the use of our opinion concerning the validity of the securities proposed to be issued and sold.

Very truly yours,

HART & HART, LLC

/s/ William T. Hart

Denver, Colorado

January 3, 2023