





Just make sure it is the tank and not the stand. If it is the tank, it will settle down once it is filled. Just fill it slowly and give it time to settle and absorb some moisture.
i don't unerstand something. why doesn't anyone ( or hardly anyone ) use joist hangers? wouldn't that be the best way to support the 2x6's that span front to back? even compared to the L brackets and the screws that are holding in from the front and back? just a question i am not saying your design wont work. i really like the space for the smaller tank underneath.
dave