This is how to make one! Get all the supplies you need by commenting POND SUPPLIES My wildlife pond doesn’t have a pump, filter, or mosquito problem. It’s 60 gallons and 2’ deep. I installed in three months ago, and it’s already reached healthy homeostasis! I use hardy pond lilies to naturally clarify and filter the water. I add mosquito dunks periodically to add bacteria that kills the larvae, but doesn’t harm anything else. I use a solar fountain for aesthetics, but the plants oxygenate and fi