First, you need to run a soil run-off pH test, check to see the balance. Now, there is other issues we need to look at. First of all, how many times a day do you water you plants. Also, you need a "Basic" fertilizer that has a low dose of hormonal/nutrient property such as Super Thrive; remember to follow the instructions so you do not compromise the already compromised status of the plant. Calcium deficiency and over/under watering may be an issue also. Good luck, keep the thumbs GREEN!:thumbsup: