Root Rot On Cannabis
Gardening. The world's most popular hobby.
Once root rot is identified, you must determine if the plant can be saved. If the entire root system has already become mushy, it is too late to save the plant. However, if some healthy, white, firm roots exist, try to bring the plant back to good health by replanting in fresh soil with good drainage.
Mix one part of additive-free 35% hydrogen peroxide with ten parts water. Water infected plants thoroughly. The soil will bubble as the oxygen is released. ... If the process s done correctly, root rot can easily be treated with only one watering of peroxide.