Aqueon Aquarium Plant Food provides essential macro and micro nutrients for lush freshwater plant growth. Also contains kelp extract, a source of cytokinin, to encourage strong root development. The combination of nutrients and kelp extract provides a well rounded multi-system plant supplement. Satisfaction Guarantee. Source of nutrients for freshwater plants. Contains kelp extract to encourage strong root development. Well rounded, multi-system plant supplement. The macro and micro nutrients aid with plant growth. Remember that healthy plants also require proper lighting!. Convenient dosage cap is included – Add 10mL (2 tsp) for every 10 gallons of aquarium water, once per week.