Xtreme Gardening Azos is a ground breaking bacterial supplement. It's responsible for no less than 7 world records – including a pumpkin grown in 2012 that weighed 2000lbs! It works by converting nitrogen from the atmosphere that's easily absorbed by roots so it's really useful during the vegetative growth stage. Azos is a fully organic vegetable booster and live culture that's effective in any growing medium – hydro, coco and soil. For record breaking results, use Xtreme Gardening Azos in your growing!