I would lighten up on the watering and let them dry out a bit before you water them again obviously not to the point where they wilt. Notice the leaves are drooping down this is a sign of over watering. 5.8-6.2 ph is best for the roots to absorb nutrients. 5.8 to 6.5 is OK also. If you re-pot in the future I would add some extra perlite to your mix for better drainage and to give the roots more oxygen.👍
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