Seedlingers Universal Plant Food has been designed to impress advanced gardeners and easy enough to use so beginners can't fail at growing strong, vigorous plants. This universal, biological liquid plant food fertilizer is energy-rich, teeming with the necessary energy to feed your soil, which, in turn, will feed the microbes that will feed your plants. Use with any indoor or outdoor plant. Mix one ounce of Seedlingers Universal Plant Food into one gal. of water and apply by wetting plant leaves and soaking into the soil. Repeat weekly for best results.