Pisces Pro Acclimator- Acclimate your fish and invertebrates the way the professionals do. The Pisces Pro Acclimator is a valve-controlled drip, hang-on device used to acclimate fish and invertebrates into their new home. The Pisces Pro Acclimator hangs on most tanks, water drip is controlled by a valve! No more fighting to keep your drip line in your tank, no more making uncontrollable knots to attempt to control drip! The Pisces Pro acclimator is made of kink resistant tube. To use, place your new specimen into a plastic container, hang the Pisces Pro acclimator plastic hook over the side of your aquarium. Place the valve into the plastic container. Start the siphon, adjust the valve to a steady drip of approximately 1 or 2 drips per second, the valve controls the volume of water entering the acclimation container.