1.5 lbs Trisodium Phosphate (TSP).
Some homebrewers use this along with Oxiclean Versatile Free or another percarbonate based cleaner as a homebrew cleanser. The ratio I’ve read is 30% TSP and 70% Oxiclean, but I’ve never tried this myself.
Update: Since this post was published the price, availability or promotion has changed. Check the product page for up to the minute description, price and availability. Also: Today’s Deals on Amazon
Reminder: Always read and follow manufacturer’s instructions. If you have a question about the suitability of any product for a particular application, contact the manufacturer.
Also Consider: Five Star PBW Cleaner (Powdered Brewery Wash), 4-Pound Jar
More: Recent Amazon Recent Amazon Finds [view more]: Five Star PBW Cleaner at Amazon
Recent Amazon Finds [view more]:
Five Star PBW Cleaner at Amazon