Greenhouse Supplies For Growers 631-727-4993 Like Us



Green Island Distributors is committed to providing responsive and efficient customer service.

Our emphasis is on customer satisfaction and pride in providing for our client's needs.

Jack's Professional LX Calcium + Magnesium 15-5-15 Back

J.R. Peter's Inc. 


Jack's Professional LX Calcium + Magnesium 15-5-15

  • A truly comprehensive formulation with all of the macro and micro nutrientsContains 4% calcium and 2% magnesium, which makes it an ideal choice for use with water that is low in those nutrients
  • Formulated with 80% nitrate nitrogenConatins a Peat-Lite level of micronutrients
  • Can be tank mixed with Jack's 21-5-20 All-Purpose or any other Jack's LX formulations.


Available Sizes:

25 lbs. bag, 80 per pallet; Vendor Item# 77940