I want to keep it open for the waterfowl in the area. The only fish I have are some bullhead, minnows and a few sunfish. The water will be spraying from my trash pump not just being pumped on. I watched a bunch of videos on Youtube about ice eaters and it will be almost the same thing. In 24 hours I can re-circulate just over a half million gallons of water. Hoping that does something. If not next year I will buy an ice eater. Unfortunately I spent too much money on the pond this year already. Running power to my pond is first on the list next year. Figured I'd ask for some opinions.