I guess it could be the soil, but I don't have a dislike for MG so I don't assume that must be the case. I have used it for 5 years without problems, including last year from bags bought at the same time. I mentioned previously I think, that I took several out of the cups to examine the roots and did not see gnats either on the top of the soil in soil in the cup. In the last 5 years I did have gnats one time and they were obious and taken care of by BT. I am concerned that since I stopped watering the growth has slowed down quite a bit but the one I checked yesterday still doesn't have an extensive root system although the roots I could see looked healthy. Might stick one in a pot and see what happens but it would have to be with the same soil. By the way, for some reason we don't have the choices in potting soil available that people furhter south so I do have to work with what is available. I could start watering with BT in the water, but if that is it, I probably don't have time to wait for them to recover. They would have to make a dramatic recovery.
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