EXHIBIT 23.1


                             CONSENT OF INDEPENDENT
                          CERTIFIED PUBLIC ACCOUNTANTS



H.E.R.C. PRODUCTS INCORPORATED
Phoenix, Arizona


We  hereby  consent  to  the   incorporation  by  reference  in  the  Prospectus
constituting  a part of the  Registration  Statement  (No.  333- ) of our report
dated  February  2,  1996,  except  for Note 13 as to which the date is April 5,
1996,  relating to the consolidated  financial  statements of H.E.R.C.  PRODUCTS
INCORPORATED  and  subsidiary  appearing in the Company's  Annual Report on Form
10-KSB for the year ended December 31, 1995.


/s/ BDO Seidman, LLP

BDO SEIDMAN, LLP

Chicago, Illinois
September 30, 1996