Central Ohio area; November moved bubblers from 12 feet areas to 3 foot areas [two]; January--February ice over maybe 80% of 1 acre pond; Ice melted almost no chance of icy weather; so how should/when should the bubblers be moved back to 12 feet?? water temperature 24 inched down is below 40F [36--38]; should the bubblers be turned off now? moved deep April sometime? will the deep water have sufficient oxygen? should one restart in deep water 12 feet and run a few hours day one, double day two, etc...
during a sunny afternoon already see a few fry along the shoreline; and the pesky Blue Heron is already back!!