EXHIBIT 11

                            CANTEL INDUSTRIES, INC.

                        COMPUTATION OF EARNINGS PER SHARE
                                        




                                Three Months Ended        Nine Months Ended
                                     April 30,                 April 30,     

        PRIMARY                  1995         1994         1995        1994   

                                                         
Weighted average number of 
  shares outstanding           2,753,361   2,640,962    2,742,897   2,575,264
Dilutive effect of options 
  and warrants using the 
  treasury stock method and
  average market price for 
  the period                     385,979     439,520      381,962     404,489
                                                                             
Weighted average number of 
  shares and common stock 
  equivalents                  3,139,340   3,080,482    3,124,859   2,979,753


Income from continuing 
  operations before extra-
  ordinary gain and dividends 
  on preferred stock           $ 158,000   $ 396,000    $ 523,000   $ 910,000 
Dividends on preferred stock           -           -            -    (314,000)

Income from continuing 
  operations before extra-
  ordinary gain                  158,000     396,000      523,000     596,000 

Discontinued operations                -           -            -     562,000
Extraordinary gain on 
  extinguishment of debt               -     (54,000)           -   1,211,000  
Net income attributable 
  to common stock              $ 158,000   $ 342,000    $ 523,000  $2,369,000 
  
Net income per common share:
  Continuing operations            $0.05       $0.13        $0.17      $ 0.20 
  Discontinued operations              -       (0.02)           -        0.19
  Extraordinary gain on 
    extinguishment of debt             -           -            -        0.41
Net income                         $0.05       $0.11        $0.17       $0.80  
                             






                                   EXHIBIT 11

                            CANTEL INDUSTRIES, INC.

                        COMPUTATION OF EARNINGS PER SHARE
                                        





                                Three Months Ended        Nine Months Ended
                                     April 30,                 April 30,     

    FULLY DILUTED                1995         1994         1995        1994   

                                                        
Weighted average number of 
  shares outstanding           2,753,361   2,640,962    2,742,897   2,575,264
Dilutive effect of options 
  and warrants using the 
  treasury stock method and
  the higher of the average 
  market price for the period  
  or the period-end market 
  price                          422,290     446,730      424,495     468,602
                                                                             
Weighted average number of 
  shares and common stock 
  equivalents                  3,175,651   3,087,692    3,167,392   3,043,866


Income from continuing 
  operations before extra-
  ordinary gain and dividends 
  on preferred stock           $ 158,000   $ 396,000    $ 523,000   $ 910,000 
Dividends on preferred stock           -           -            -    (314,000)

Income from continuing 
  operations before extra-
  ordinary gain                  158,000     396,000      523,000     596,000 

Discontinued operations                -     (54,000)           -     562,000
Extraordinary gain on 
  extinguishment of debt               -           -            -   1,211,000  
Net income attributable 
  to common stock              $ 158,000   $ 342,000    $ 523,000  $2,369,000 
  
Net income per common share:
  Continuing operations            $0.05       $0.13        $0.17      $ 0.20 
  Discontinued operations              -       (0.02)           -        0.18
  Extraordinary gain on 
    extinguishment of debt             -           -            -        0.40
Net income                         $0.05       $0.11        $0.17       $0.78