Exhibit 12

Zep Inc.

Ratio of Earnings to Fixed Charges and of Earnings to Combined
Fixed Charges and Preferred

Stock Dividends

(In thousands, except ratios)



|                                                                          |  |                              |        |      |   |        |  |      |        |      |   |        |  |   |       
|------------------------------------------------------------------------- |  | ---------------------------- | ------ | ---- | - | ------ |  | ---- | ------ | ---- | - | ------ |  | - | ------
|                                                                          |  | Fiscal Year Ended August 31,
|                                                                          |  | 2009                         |        | 2008 |   | 2007   |  | 2006 |        | 2005
|Income before Provision for Income Taxes                                  |  | $                            | 15,184 |      | $ | 25,991 |  | $    | 24,837 |      | $ | 35,823 |  | $ | 35,104
|Additions:                                                                |  |                              |        |      |   |        |  |      |        |      |   |        |  |   |       
|Fixed charges                                                             |  |                              | 2,447  |      |   | 4,038  |  |      | 6,026  |      |   | 5,307  |  |   | 3,649 
|                                                                          |  |                              |        |      |   |        |  |      |        |      |   |        |  |   |       
|Total Earnings                                                            |  | $                            | 17,631 |      | $ | 30,029 |  | $    | 30,863 |      | $ | 41,130 |  | $ | 38,753
|                                                                          |  |                              |        |      |   |        |  |      |        |      |   |        |  |   |       
|                                                                          |  |                              |        |      |  
|Fixed Charges                                                             |  |                              |        |      |   |        |  |      |        |      |   |        |  |   |       
|Interest expense                                                          |  | $                            | 1,791  |      | $ | 3,081  |  | $    | 5,218  |      | $ | 4,641  |  | $ | 2,935 
|Preferred stock dividends                                                 |  |                              |       |      |   |       |  |      |       |      |   |       |  |   |      
|Capitalized interest                                                      |  |                              |       |      |   |       |  |      |       |      |   |       |  |   |      
|Estimate of interest portion of rental expenses                           |  |                              | 656    |      |   | 957    |  |      | 808    |      |   | 666    |  |   | 714   
|                                                                          |  |                              |        |      |   |        |  |      |        |      |   |        |  |   |       
|Total Fixed Charges                                                       |  | $                            | 2,447  |      | $ | 4,038  |  | $    | 6,026  |      | $ | 5,307  |  | $ | 3,649 
|                                                                          |  |                              |        |      |   |        |  |      |        |      |   |        |  |   |       
|                                                                          |  |                              |        |      |  
|Ratio of Earnings to Fixed Charges                                        |  |                              | 7.2    |      |   | 7.4    |  |      | 5.1    |      |   | 7.8    |  |   | 10.6  
|                                                                          |  |                              |        |      |   |        |  |      |        |      |   |        |  |   |       
|                                                                          |  |                              |        |      |  
|Ratio of Earnings to Combined Fixed Charges and Preferred Stock Dividends |  |                              | 7.2    |      |   | 7.4    |  |      | 5.1    |      |   | 7.8    |  |   | 10.6  
|                                                                          |  |                              |        |      |   |        |  |      |        |      |   |        |  |   |