Aquarium plants require certain essential nutrients for vibrant growth. Root tabs are formulated to supply key nutrients, including iron & potassium, to help new aquatic plants get off to a vigorous start & to keep established plants flourishing. Product contains: Nitrogen, phosphate, soluble potash, iron, etc. Add 1 tablet for each 30 square inches of gravel surface. Push midway into gravel bed. Add new tablets monthly for optimum plant growth. 10ct.
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