B-Brite cleaner - 27 years old

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DonJuan7

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Is it still good? What materials can it be used on? Is it food grade sanitizer or just a general cleaner? What remains is a solid piece, not powder. It says contains sodium carbonate and sodium silicate.
 

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Cleaner, but I don't think the manufacturer ever tried to get it approved as a sanitizer...

https://bsghandcraft.com/b-brite-cleanser-8-oz
B-BRITE™ is an eco-friendly cleaner that uses sodium percarbonate and sodium carbonate to remove stains, beerstone and other fermentation residues. It contains no chlorine (contrast C-BRITE™) and no disulfites (contrast sodium metabisulfite and potassium metabisulfite). While it is not a sanitizer or disinfectant, B-BRITE™ has moderate antimicrobial properties that are beneficial in fermentation settings. It is safe to use on all materials.

I would be suspicious about effectivity with it being caked that solidly...

Cheers!
 
I'm sure you can still use it for cleaning some equipment. It has become hard due to it being hygroscopic, then solidified. Just break a chunk off and dissolve in hot water.

Instead of Sodium Silicate, the modern day version of B-Brite now uses Sodium Percarbonate, often sold as Oxiclean or one of the cheaper generics. The Percarbonate contains a loosely bound oxygen atom that releases when dissolved and helps kill biofilms, dirt and such. Oxygen has (non-chlorine) bleaching capabilities.

The Sodium Silicate component gives it a lot more cleaning power, especially in hot water.
This old B-Brite product you've got is actually much closer to Five Stars' "PBW" (Powdered Brewery Wash), than the modern day version of it.

One tablespoon per gallon makes a fairly strong detergent for cleaning equipment, fermenters, kegs, etc. If not too dirty it could be salvaged (recaptured) and stored for subsequent use. For long soaks use 1 tablespoon per 5 gallons.

You can make your own (homemade) PBW using 70% Sodium Percarbonate (Oxiclean or some generic brand) plus 30% Sodium MetaSilicate, aka TSP/90, available in hardware stores.
 
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