Manage number of products shown on subcategory page

The customer can choose how many products are shown on the category page. It defaults to 15 products and allows the customer to select 25, 50 or 100. I could do without the 15 and 25 but would be happy if it could just default to 50 products. I have several categories that exceed 100 but 50 covers enough of them to be practical. Does anybody know how to do this?

Depends on what version you are using

Sorry, the current version 2.3

Ok to set the default goto extensions/extensions and choose theme from the dropdown box. Edit your theme and you will see the setting in there.
The other options are in limit array in catalog/controller/product/category.php

Hope this helps

It sure does help. Thanks very much. For those who want to customize this the array referred to above is at line 311 of the PHP file.