I'm a little confused as to what can I do from here. I plan on having about (4) betta tanks on this stand. In the future I would like to put a 29 gallon on top and have only (2) 2.5 gallon tanks. I want to plan ahead and build this tank so it can hold that weight. This is what I have so far:
Used 2X4's and 2 1/2 inch screws and nothing else
This is my first stand so I'm not very knowledgeable. A user pointed out, each shelf wouldn't hold the weight with only 8 screws. I thought what if I add 2X4's pieces underneath the shelves like this:
Would it help? How can I make it more durable from here?