.5 micron carbonation/oxygenation stone

[bluelakebrewing]

I have 2 .5 micron diffusion stones for sale. These can be used for carbonation or oxygenation. I have used them to oxygenate wort in carboy as well as carbonating beer in corny keg

Used and bought from morebeer, same as these.

http://www.morebeer.com/products/di...enation.html?gclid=CJj_1Ou2xcYCFQ2VfgodPcEF8w

Asking $16 + shipping for both or $9 each. View attachment ImageUploadedByHome Brew1436148981.761932.jpg