Here's a few products that are real affordable:
Bru-R-EzT.M.
I00122 A powerful detergent blend for use on all metals in the brewery. Clean mashtuns, brew kettles, fermentors, heat exchangers, kegs, tap lines, etc. quicker and more effectively than with caustic products. Ultra rinsability – leaves a perfect shine on any metal. Used for CIP or hand scrubbing to remove protein, oil and grease without the use of searing caustics. Non-solvent, non-caustic, non-phenol. P
Cell-R-MastrT.M.
I00148 A powerful detergent blend to clean mashtuns, brew kettles, fermentors, heat exchangers, kegs, tap lines, etc. more quickly and effectively than caustic products. Ultra-rinsability leaves a perfect shine on any metal. Used for CIP or hand scrubbing to remove protein, oil and grease without the use of caustic products. Non-solvent, non-caustic, non-phenol.
Here's the website. I've gotten lactic acid, antifoam products etc from them directly even though they service the "big boys"
Just send them an email and you'll get a price list real quick. NAYYY
http://www.birkocorp.com/Products.html