Please tell me how to build my 40 gal tank to look like this person tank. (Sorry I don't know who the owner is.) All I have now is: 40 gal tank Aqueous full spectrum 17watt? (See pic) Penguin 350 bio wheel filter 12 lbs substrate And 2bags of rocks/gravels ( I probably going to change to sand) Tell me what else I need to put in the tank beside a heater . I'm hearing something about CO2 thing for the plant to thrive... today I saw online sale at petco for plant set up (see pic below). I don't remember reading on here about the tablets... so I'm confused. Somebody guide me to the right direction!