Miracle-Gro LiquaFeed all purpose plant food concentrate refills are made for feeding all outdoor plants, including your lawn, with a garden hose and the Miracle-Gro LiquaFeed Garden Feeder (sold separately). This concentrate mixes automatically with water, so there’s no measuring, mixing, or mess to make. Now feeding is as easy as watering! With four convenient refill bottles in one pack, you’re ready when your plants are.