I've got a bunch of tomatoes in pots on the patio, and I'm finding this on quite a few of them, it's only on the bottom. They all seem to be thriving, lots of young tomatoes and buds. I'm fertilizing with Miracle Grow weekly. My neighbor thought low calcium, so I added a bit of lime, but I'm still finding these. The ones that are like this are brown all the way into the center.
Thoughts?
Thoughts?