U.S. SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                                   FORM 12b-25
                           NOTIFICATION OF LATE FILING

(Check One):   |_| Form 10-K  |_|Form 20-F  |_| Form 11-K |X| Form 10-Q
               |_| Form N-SAR

         For Period ended:  March 31, 2008
         |_| Transition Report on Form 10-K
         |_| Transition Report on Form 20-F
         |_| Transition Report on Form 11-K
         |_| Transition Report on Form 10-Q
         |_| Transition Report on Form N-SAR
         For the Transition Period Ended:
                                          -------------------------------------

    Read Attached Instruction Sheet Before Preparing Form. Please Print or Type.

Nothing in this form shall be construed to imply that the Commission has
verified any information contained herein.

If the notification relates to a portion of the filing checked above, identify
the item(s) to which the notification relates: N/A

PART I - REGISTRANT INFORMATION

Sionix Corporation
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Full Name of Registrant

N/A
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Former Name if Applicable

2082 Michelson Drive, Suite 306
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Address of Principal Executive Office (Street and Number)

Irvine, California 92612
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City, State and Zip Code

PART II - RULES 12b-25(b) AND (c)

      If the subject report could not be filed without unreasonable effort or
      expense and the registrant seeks relief pursuant to Rule 12b-25(b), the
      following should be completed. (Check box if appropriate)

      (a) The reasons described in reasonable detail in Part III of this form
      could not be eliminated without unreasonable effort or expense;
|X|
      (b) The subject annual report, semi-annual report, transition report on
      Form 10-K, Form 20-F, 11-K or Form N-SAR, or portion thereof will be filed
      on or before the fifteenth calendar day following the prescribed due date;
      or the subject quarterly report or transition report on Form 10-Q, or
      portion thereof will be filed on or before the fifth calendar day
      following the prescribed due date.

      (c) The accountant's statement or other exhibit required by Rule 12b-25(c)
      has been attached if applicable.



PART III- NARRATIVE

State below in reasonable detail the reasons why Form 10-K, 20-F, 11-K, 10-Q,
N-SAR, or the transition report or portion thereof could not be filed within the
prescribed period.

      There is currently a shortage of staff available to assist with the
      preparation of the registrant's quarterly report. Because of the staff
      shortage, the registrant will require additional time to complete and file
      the report.

PART IV - OTHER INFORMATION

(1) Name and telephone number of person to contact in regard to this
notification

Richard H. Papalian                   949                    752-7980
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(Name)                            (Area Code)             (Telephone Number)

(2) Have all other periodic reports required under section 13 or 15(d) of the
Securities Exchange Act of 1934 or section 30 of the Investment Company Act of
1940 during the preceding 12 months or for such shorter period that the
registrant was required to file such report(s) been filed? If the answer is no,
identify report(s).                     |X| Yes |_| No

(3) Is it anticipated that any significant change in results of operations from
the corresponding period for the last fiscal year will be reflected by the
earnings statements to be included in the subject report or portion thereof?
                                       |_| Yes  |X| No

If so: attach an explanation of the anticipated change, both narratively and
quantitatively, and, if appropriate, state the reasons why a reasonable estimate
of the results cannot be made.

                               Sionix Corporation
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                  (Name of Registrant as specified in charter)

has caused this notification to be signed on its behalf by the undersigned
thereunto duly authorized.

Date: May 15, 2008

/s/ Richard H. Papalian
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Richard H. Papalian, Chief Executive Officer

INSTRUCTION: The form may be signed by an executive officer of the registrant or
by any other duly authorized representative. The name and title of the person
signing the form shall be typed or printed beneath the signature. If the
statement is signed on behalf of the registrant by an authorized representative
(other than an executive officer), evidence of the representative's authority to
sign on behalf of the registrant shall be filed with the form.

                                    ATTENTION

Intentional misstatements or omissions of fact constitute Federal Criminal
Violations (See 18 U.S.C. 1001).