Q.How Do I Stop the Black on Bottom of Tomatoes?
These tomatoes are in pots.

Nikki
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on May 19, 2011
You have blossom end rot. This article will help:
https://www.gardeningknowhow.com/edible/vegetables/tomato/tomato-blossom-rot.htm
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