Working koi fish food cost calculator
Please note system ONLY works if you have Internet Explorer version 4.01 and later as well as Microsoft Excel installed on your computer in addition to Microsoft Office web Components ... go ahead just try it.
IMPORTANT:- Please note that these are active spreadsheets and will take a while to open on the internet so be patient .... may not work on older machines
Download Tony Roocroft's Pond Calculator series (12 of them)