Bent Intex Ultraframe leg

That’s pretty bent. Concerned about the support to your pool. I personally would be nervous about a wall failure. Let’s see what others think.
 
The leg is bending because the block it is on is too small. The block needs to be wider than the base of the support leg. Those legs are holding back over 40,000lbs of water.

If this is how all the legs are supported, they are all going to be destroyed like that one.

Agreed pads are way to small.. better pull the plug and get it empty before you do anymore damage. You may get lucky and post online and someone local may have the same pool that is damaged that you can get some parts from.
 
The blocks need to be wide enough to support the full width of the leg, otherwise the leg will bend around the block. You have forces working in 2 dimensions here. The strap across the bottom pulls tight as the legs want to move away from the pool as it fills. Also as it fills, there is a lot of downward force from the weight of the water in the pool. If the leg is not fully supported it will succumb to one or both of these forces and fail. It looks like you need two blocks side by side, or you can use a pressure treated 2x6x24 board.
 
Intex specifies a 15" x 15" pressure treated support on the rectangular pools. These pools put a lot more load on the uprights than round pools or traditional steel walled AGP.
As Zea3 said, you need to get support under each vertical leg, not just the middle. And a 12 x 12 patio block is 50% smaller area than the recommended support. This is important since these supports spread the weight over a larger area to prevent the legs from sinking if the ground gets saturated with water.
If the pool was installed on concrete, you wouldn't need these "footing". Their only purpose is to spread the load from the legs over a large enough surface. What may be good enough for a round pool isn't sufficient for one of these pools.
 

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