EXHIBIT 16







September 5, 2019

Office of the Chief Accountant
Securities and Exchange Commission
100 F Street, NE
Washington, DC 20549


Dear Sir/Madam:

We were previously the independent  registered  public  accountants for Flexible
Solutions  International Inc.  ("Flexible  Solutions").  On August 26, 2019, our
appointment  as the  independent  registered  public  accountants  for  Flexible
Solutions was terminated (the  "Termination").  We have read Flexible Solutions'
statements  under Item 4.01 of the Form 8-K dated August 22, 2019. We agree with
the  statements  concerning our Firm in Item 4.01 of the Form 8-K except that we
were advised of our  dismissal  on August 26, 2019.  We are not in a position to
agree or disagree with the statement that Flexible Solutions' Board of Directors
approved the decision to change auditors or the statements  regarding Morgan and
Company.

We hereby consent to the filing of this letter as an exhibit to the foregoing
report on Form 8-K.

Sincerely,

/s/ MNP LLP

MNP LLP
Chartered Professional Accountants