@Jayjay504 it’s difficult to tell sometimes when you’re growing in pots in regards to the root rot. Once you can visually see the roots it’s very easy to determined. However, when you’re confident your feeds are good and your pH is good in the soil and you start seeing rapid yelling and the soil is not drying you can almost Bank its root rot.
We just had a case that ended up being root rot from over watering and the treatment with the hydrogen peroxide and replacing the microbial life in the soil paid off and the plants on a very positive road to recovery. Let me
I strongly suggest you read this thread