Active Aqua Black Tubing 100' Roll veg-and-bloom Marine kelp has some of

Marine kelp has some of the fastest growth of any plant on earth

they are lightweight

General Application Rate: 1-5 ml per gallon of water or nutrient solution

while the wide range of nutrients correct potential deficiencies

Active Aqua Black Tubing 100' Roll veg-and-bloom Marine kelp has some ofUse our sturdy black vinyl tubing, which is FDA approved and BPA free, for your irrigation systems and tanks, and to complete your own hydroponic systems. The material is easy to cut to size, but will remain strong and reliable. Choose from six different 100 foot sizes, each in a convenient dispenser pack. Keep a roll on hand for instant access to repairs. Inside Diameter Outside Diameter . 31" . 40"