Not only does Baby Bio help your houseplants growth to look their very best, but it also ensures they grow healthier and have stronger roots. With proper care and a few drops of Baby Bio plant food, your houseplants will thrive in any space you choose to feature them; even hydroponic growing. For watering cans, mix 10 drops per quart of water and feed every 2 weeks. Baby Bio. Greatness grows with each drop. 5-2-1 fertilizer analysis.