AeroGarden 4 ml Nutrients for Herbs, Flowers & Salads Seed Kits (3-Pod, 25 Pack) For 3-Pod Seed Kits/AeroGardens. Includes twenty-five pre-measured and easy-to-use 4 ml packets. Just shake, snip and pour! Concentrated formula makes up to a year's worth of nutrient solution. Single serve nutrients for herb/flower/salad gardens.