How to Save a Contaminated Mushroom Liquid Culture This method has helped me save multiple mushroom cultures from contamination. If you ever receive a liquid culture syringe and test it on agar only to find out that it is contaminated with no sign of mycelium you may be led to believe the whole syringe should be discarded and that you have lost the culture. It is worth trying this method to save the mycelium rather than throwing it away and losing the genetics. I hope this method helps you as mu

A liquid culture can stay usable for a pretty long time if it’s stored well. In a fridge, most LC stays viable for 2–3 months, sometimes even longer if it was made clean and handled carefully. After a few months, it may still be alive, but it usually slows down and the risk of hidden contamination goes up. A few simple tips help it last: Keep it refrigerated, not frozen. Don’t open it unless you need to. Give it a gentle swirl once in a while to keep the mycelium broken up. Always check clarity