CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS



We have issued our reports dated July 23, 2002, accompanying the financial
statements of HydroFlo, Inc. contained in the Registration Statement and
Prospectus. We consent to the use of the aforementioned reports in the
Registration Statement and Prospectus, and to the use of our name as it appears
under the caption "Interest of Named Experts."

/s/ Grant Thornton LLP
    Grant Thornton LLP

Raleigh, North Carolina
May 2, 2003