One thing is granted - your vegetable and herbs are healthier than the ones from the supermarket (just think about Spinach...). But still I find it a little bit odd that Aero Garden grows your greens only with water and air....

Garden fresh herbs and vegetables at the touch of a button. Grows plants in water and air - no dirt. 100% natural, organic based. Five times faster than soil. Guaranteed harvest in twenty-eight days. Aeroponics technology grows up to five times faster than soil. Includes everything you need just add water. Salad greens seed kit included. A variety of seed kits also available for purchase.

Check here for more info: Zabar's
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