I have found that the all glass tops are a bit thicker than the perfecto/marinland ones.
phillydog1958;3431860; said:canopies look nice and make the tank look like furniture. i've been dealing with the same issue. i'm considering getting a guy to make me one, also. i don't want to spend the money either. but, my glass tops are made of heavy duty pieces of glass. they will support a kitten's weight. i also have 2 cats and mine don't jump up on the tank. they do stare at it, but they can't get up that high. it will probably pass, as the kittens grow.