If you're reading this post, chances are you are using, or plan to use, protein glue (animal glue). If that's the case, you're in the right spot. 

Running into issues getting an accurate glue viscosity reading from your equipment? We have good news. There are tools on the market that can help you measure viscosity. One of them is called a Zahn cup. 

You've made a major investment in your equipment. Do not underestimate the importance of keeping it clean. This will ensure you get the greatest return on your investment.

If you're having issues with glue adhesion, your first thought may be to add more glue.  When it comes to glue, more isn't always better.