Shop / Pet Fish / Tetra Algae Control Broad Spectrum Algae Control Water Treatment Tetra $4.99 Tetra Algae Control Broad Spectrum Algae Control Water Treatment Quantity Weight 1.69-oz, 50 ml 3.38-oz, 100 ml 1.69-oz, 50 ml 3.38-oz, 100 ml Ship to me Pickup in store Add To Cart Information Ingredients Keep your aquarium clean and algae-free with Tetra AlgaeControl Broad Spectrum Algae Control Water Treatment. Algae is a common aquarium problem, but if left untreated it can cover the glass, filter, decor and substrate. Tetra AlgaeControl Broad Spectrum Algae Control Water Treatment contains poly ethylene to control a broad spectrum of algae including green, string and hair algae and blanket weed.Why We Love It: Safe for use with fish and plants Tetra's state of the art formula makes it the most highly concentrated algae control product available on the aquatic market today. A precision dropper top helps you administer the proper dose to your aquarium. About TetraTetra aquarium products are dedicated to helping seasoned hobbyists and beginners alike to enjoy a successful, life-long aquatic experience. Our complete line of Tetra nutrition, water care, filtration and aquarium products help make fishkeeping accessible to all hobbyists so they can benefit from its rewards. N/A Customers also liked Customer Reviews