Is it necessary to change water for hydroponic Flammulina velutipes?

Spread a water-absorbing and non-perishable wet towel on the water surface, and then put the cut Flammulina velutipes roots on the paper towel to promote its better water-absorbing and rooting growth. After that, the top of the bowl should be sealed with plastic film or plastic wrap to keep it at a proper temperature and humidity for better rooting. This process does not need to change water.

brief introduction

In the hydroponics of Flammulina velutipes roots, the first step is to cut off its roots. It should be noted that the roots of Flammulina velutipes need to be fresh and complete, and then cut directly from the root position with a knife. Generally, the root feels hard and is cut off in a dark position.