Disease, watering issue, or snails?

[Maggi H]

I bought a datil pepper plant a couple months ago and potted it about a month ago. At the beginning, it was green and had a lot of blooms but now the leaves are falling off, turning brown, and the stems are turning brown. I've found snails on a few of the leaves which would explain the holes in the leaves but shouldn't cause the plant to be dying. We've been getting a lot of rain but the water didn't seem to staying the soil very long so I changed out the soil this morning from a grainy soil to some compost but I'm worried it may be diseased. Any ideas?

 

[Chuck]

I bought a datil pepper plant a couple months ago and potted it about a month ago. At the beginning, it was green and had a lot of blooms but now the leaves are falling off, turning brown, and the stems are turning brown. I've found snails on a few of the leaves which would explain the holes in the leaves but shouldn't cause the plant to be dying. We've been getting a lot of rain but the water didn't seem to staying the soil very long so I changed out the soil this morning from a grainy soil to some compost but I'm worried it may be diseased. Any ideas?
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See those black patches on the stems? That's an indicator of root rot caused staying too wet.