HAVE A 3.5 TO 4 ACRE POND IN EAST T. [CANTON] AREA THE POND IS PRETTY OLD AND IS SURRONDED BY LARGE SWEET GUM & OAK TREES - LOTS OF LEAVES EVERY FALL - THE DEEPEST PART IS APX. 8 FT. POND SEEMS OK AND IS STOCKED WITH BLUEGILL-REDEAR-THREADFIN SHAD-C-CAT AND BASS.CAN ALL THESE LEAVES CAUSE PROBLEMS ? PLAN TO BUY SOME DUCKS AT TRADES DAYS AND ADD TO THE POND SOON.WILL THEY CAUSE ANY PROBLEMS. ANY ADVICE?. THANKS HARVEY DUPRIEST. FISHER8384@AOL.COM