Cleaning time! We checked the chemistry and the Ammonia and Nitrates were out of whack. Will be changing 20 of the water and adding some microbes to get the Nitrogen Cycling again. These guys are almost big enough to release!br br Pennsylvania's statewide Trout In the Classroom (TIC) program is made possible through a unique partnership between the Pennsylvania Council of Trout Unlimited (PATU) and the Pennsylvania Fish and Boat Commission (PFBC).