How to measure the volume of wort in a carboy
Plastic fermentation buckets usually have nice markings on the side to tell you how much volume you have. It can be a little tougher to tell when you are using glass carboys. We purchased Etching Cream, which is an acid that etches the glass of a carboy. We filled the carboys up with 5 gallons of water and marked the level using masking tape. We then added another half-gallon and marked with masking tape again. You can paint the etching cream on between the masking tape and create nice volume markers on your carboy.
Armour Etch Cream, 22-Ounce
- 22-ounce bottle of armour etch cream
- Permanent etched designs
- Dishwasher safe
List Price: $ 34.25 Price: $ 20.30
To apply the etched numbers we used stencils. We found stencils that can be used over and over again:
Armour Etch Over N Over Stencil Upper Case
- Narrowest letter- 1/8-inch wide
- Widest letter- 1/2-inch wide
- All letters- 5/8-inch high
List Price: $ 6.49 Price: $ 4.99


























[...] like it was too much work just to fill a carboy to a certain level so we recently purchased glass etching cream, with comes with templates, so we could make a mark 5, 5.5, and 6 gallons on our carboys. Now [...]