Over Inflated?
 

I just purchased the following Tube and read the instructions explaining the issues with overinflation. Can anyone tell whether I overinflated this tube based upon the picture?

Like an air mattress. Is it too hard? They don't want it overinflated because when you go up over a wave and come down it'll pop if it's over inflated. Take your hand and push on it, or sit on it and bounce around. Should be firm with some give

My Big Mable needs to be rock hard to work--if not, the front will torpedo.

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So they tell you in the instructions about overinflating issues but dont explain how to know its inflated properly? Strange.

I think mine just said "do not overinflate" I assume that is a general term which means different things to different folks.