In general, Trebela is less expensive than Kodak especially the bleach and fix. The difference in price is not that much for the developers. What follows is a source for chemicals:
Originally Posted by stradibarrius
Denver Pro Photo
235 S Cherokee St.
Denver CO 80223
Phone: 303-698-1790 or 866-360-4940
Ask for Victor Guarino. He will take care of you. They will ship the stuff anywhere.
Here is the C41 chemistry I purchase from Denver Pro Photo with volumes and prices:
Kodak Flexicolor SM Develper 2L $15.92
Kodak Indicator Stop 16 oz. $7.25
Trebla Beach 5L $31.16
Trebla Fixer 5L $4.75
Kodak Final Rinse 5L $6.25
The Kodak Flexicolor SM Developer is a one shot developer which is good for tray or drum processing.