It's driving me crazy! I don't think I am overfilling but whenever I set the thing down it leaks. 
I am using poly fill and I am making sure that the end of the atty and the carts and are pushed tighly together, so I don't know what it could be.
I am using poly fill and I am making sure that the end of the atty and the carts and are pushed tighly together, so I don't know what it could be.