Craft Meister Alkaline Brewery Wash
Craft Meister heavy-duty alkaline cleaner removes deposits and gunk from kettles, fermentors, bottles, and more.
Directions: Use 1 oz per gallon for general cleaning, 2 oz per gallon for heavy soils.Alkaline Brewery Wash is also great for removing labels from beer bottles and more. Comes with a handy measuring scoop. Contains Sodium Carbonate, Silicic Acid, Sodium Sesquicarbonate, and Sodium Hydroxide. Not for use on aluminum.
I have been using this product for the last 2 years now and I love it. The oxygen cleaner works great too.