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.
12/14/17 1:30 PM Central: This has dropped to $3.96. That’s just 12 cents shy of the best historical direct from Amazon price I found. Shipping to most US addresses is also free with Prime Membership [Try Prime for Free] or a qualifying order. Price, shipping and availability can change quickly. Check the product page for current price, description and availability. Also: Recent Amazon Finds and Amazon Fillers Resource Page
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