NOT KNOWN FACTUAL STATEMENTS ABOUT KOI FISH GOLDFISH

koi needs to be in significant ponds 900-1000gallons minimum.. they get massive and they are social fish, you very seriously really need to rehome that fish, ive obtained a 850gal pond and after looking at how huge some koi get i dont truly feel like it's truthful for me to put a considerable fish into my pond.What are your water parameter ranges?