---
title: Refractometer Troubleshooting Video
description: Watch our short troubleshooting video to learn how to use a refractometer to check glue solids.
---

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# Troubleshooting Video: How To Use a Refractometer

One of the most efficient and accurate methods for checking brix solids of LD Davis protein glue is to use a refractometer.

Check out our "Checking Protein Glue Solids with a Refractometer" video by signing up for our protein glue troubleshooting video series.

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