I'm no expert but i'd try a flush followed by 1/4 strength nutes.
hudson88 Reviewed by hudson88 on . What does this look like to you? Today is the first day of 12/12 Indoor grow soil - Shultz potting mix Tap Water no idea any PH levels : ( 4 weeks old Miracle grow ferts every 5th watering 400watt hps 2.5ft from canopy Ambient temperature: 80-85 Rating: 5