Feed your houseplants the easy way with a quick and clean IncrediFeed Houseplant Drip Feeder. These convenient drippers contain a ?ready to use? solution of carefully balanced houseplant feed. Simply snip off the tip and push the cut end into the soil. Your houseplants will receive a steady supply of essential nutrients that lasts for up to 30 days, promoting healthy foliage and brighter blooms. Drip Feeders are suitable for use with pots up to 20cm diameter. For larger specimens, use an extra dripper per pot. N:P:K 4-6-4