How to Batch Test Mushroom Liquid Culture at Scale I came up with this efficient way to test multiple jars of liquid culture using 1 sterile syringe. This method has made quality control a lot easier for me. Most of the time my batch tests using this method don't move on to phase 2 because no contamination is found during phase 1. This helps me streamline my quality control more efficiently. 🍄Check out my social links! https://linktr.ee/sporensprout Join my Patreon page here: https://www.patreo