I have a small (400-gallon) pond in my back yard, with 7 koi (about 14" to 18" long) and 34 goldfish. It was mid-December, and there was a 2" layer of ice on the pond, except where the airstone kept a vent hole open. I checked the pond one afternoon, and the water level, looking down into the vent hole, was about 12" below the ice, and the whole pond is only 24" deep. I knew that there must be a hole somewhere in the rubber liner. With all the ice and the 20-degree temperatures, I probably couldn't find the hole and probably couldn't repair it anyway. My fish would either freeze or run out of water if I didn't do something fast. I went to the nearest Tractor Supply Store and bought the biggest galvanized stock tank that would fit in the back of my Chevy Trailblazer, 8' long, 3' wide, & 2" high. It worked great. All 41 of my pet fish have survived for a month now in their new "winter home" on our back porch. They will stay there until the weather improves enough for me to dig the pond out a little bit bigger and install a new liner. THANKS, TRACTOR SUPPLY, FOR HAVING WHAT I NEEDED TO SOLVE AN IMMEDIATE PROBLEM.

I should have read these reviews before I made my purchase. I see all three of them use their tanks for something other than watering livestock. I tried to water my cows with this and what a mistake, the material is too light and the seam is in the wrong place. Worst tank I have ever used for water. We now use the tank to start baby chickens and I am back to using other brands of water tanks to water my cows.