Hey Miku, I’m just trying to understand, are you saying, you are not using a balanced fertilizer, (NPK, 16 micro nutrients) but some nitrogen and phosphorus, and no potassium?
I think she is hungry for a balanced food source, myself.
This may be an issue, under fed plants can look like over fed plants, unhealthy plants attract more insects to it.
Then IF your over watering, that makes the situation worse, then many times folks will start PH adjustments.
I would get a balanced food source, like a tomato fertilizer, or good balanced fertilized soil, and top dress.
Wish you all the best!!
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