I don't think 20 RBT especially if they are fed some pellets will upset or damage the current fish community balance. Expect some of the other fish to also eat pellets which will better allow them to have plenty of fat for winter survival and be healthy for spring spawn.
Delaying fishing in a new pond will be a noticeable benefit because when you do start fishing anglers will very easily catch numerous big fish compared noticeably fewer hook smart bigger fish from overfishing a new small pond low fish stocked population.
Tilapia will work well for algae and delicate submerged weed control. If they do not appear to do much algae control then you did not stock enough of them. Tilapia stocked at 5"-8" will provide good, fun fishing in early fall as long as water temperature is still above 70F. Fish the beach where they have been spawning. The more water drops below 70F tilapia become harder and harder to catch. Tilapia fight harder than BG-HBG. A customer told me today he has been catching his tilapia on canned corn, softened pellets and homemade dough balls laced with ground fish pellet . Tilapia become hook shy quickly during each catching session so one has to keep changing styles of bait for each angler session. Chumming tilapia with pellets helps keep the bite active.
Last edited by Bill Cody; 10/09/21 09:10 PM.