Pay in 4 interest-free payments of $4.23 Learn more
Ships within 48 hours · Estimated delivery Oct 30 - Nov 4
Model: 18DX30
slightly overlapping treated areas
resulting in desiccation
(whole support and glass vessel shipped pre-assembled)
Jack's Professional Boost Epsom Salt (Magnesium Sulfate), 2.2 lbs. Multi-Function Grow Room Controllers Model: 18DX30Jack's Professional Magnesium Sulfate is part of the BOOST line of products and is an essential item for the Jack's 3 2 1 program. This nutrient supplement is backed by scientific research and quality testing. The Mg + S (magnesium and sulfur) in Jack's Nutrients Epsom Salts undergoes extensive quality testing to ensure the lowest possible levels of heavy metals. You can have confidence that when you add a boost of Mg + S, you are getting pure
