About Tank Pals™

Aquarium Care Just Got a Whole Lot More Fun! K2 Concepts, Inc. is making a splash in the pet industry with Tank Pals™, a vibrant line of aquarium helpers building on the success of Clarence™ the Clarifier Fish™. These clever characters not only add personality to tanks but also reduce cleaning frequency and improve water clarity & health—without affecting pH levels or harming aquatic life or plants. And they are all safe for fresh or saltwater aquariums! Our mission is simple: take engineered aquarium care and make it easy, effective, and fun for everyone—from casual fish parents to seasoned aquarists. Meet the Tank Pals™: Clarence™ the Clarifier Fish – Minimizes cloudy water reduces cleaning frequency, and controls ammonia Sandy™ the Bio-Support Starfish – Reduces algae and lowers nitrates/phosphates Cletus™ the Water Conditioning Clam – Neutralizes chlorine and chloramines in tap water and adds beneficial nutrients These adorable, functional pals are more than just cute—they’re smart retail. With high margins, shelf-grabbing designs, and built-in refill potential, Tank Pals™ are an easy add-on for customers and a steady stream of repeat business for retailers.Read their story