check soil ph and or ur WATERING PRACTICES. take another pot sam size and mix,weigh its dry weight.wen the pot ur growin in weighs that amont or close to it water.amont of water depends on plant size and pot size.if u know in ounces how much ur using,u can up the amont or lower by the ounce until plant looks its best.plants look best to wen u go the right direction,wen adjusting up or down.usally peeps need to adjust down.