Check the listing for details. API Pond Plant Root Tabs 10 Tab Keep Aquatic Flourishing Promotes Lush Growth. Condition: New. Listed at 11.89 USD. API Pond Plant Root Tabs 10 Tab Keep Aquatic Flourishing Promotes Lush Growth. Free shipping applies to all 50 U.S states, P.O Box, and any U.S territory. If you’d like to have the item shipped faster, please contact us for additional rates.*Shipment is eligible for same day processing time Aquarium plants require certain essential nutrients for vibrant growth. Root tabs are formulated to supply key nutrients, including iron and potassium to help new aquatic plants get off to a vigorous start and to keep established plants flourishing.Tablets for easy useContains key nutrients including iron and potassium, to stimulate plant growthPromotes strong root developmentNew plants get a great start and established plants flourishAdd 1 tablet for each 30 square inches of gravel surface. Push midway into gravel bed. Add new tablets monthly for optimum plant growth. Ingredients: Nitrogen, Phosphate, Soluble Potash, Iron.