The casing of the grow box is the most essential part to purchase. Containers that are very easy to modify and access are probably what will serve the individual best. Usually two door metal cabinets are fantastic for these situations, and offer enough height for growing larger plants as well. Flammable materials ought to always be avoided when looking to build a grow box. In the unfortunate event that a fire does develop, it is better for the fire to be secured within rather than the entire unit catching flame.
A box can be quite simple, but there are a lot of options as well. Mounting the grow lights securely is important, and some boxes will require ventilation as well. Given that they produce such little heat, LED grow lights tend to be used for grow rooms where room is an issue. The power bill will also not be affected as much by LED bulbs, which is a massive bonus.
Adding tin foil or some other reflective material to the walls helps transfer light all through the setup. Sometimes getting enough carbon dioxide is an issue, and adding a little fan vent is an excellent way to get more of it from the environment. If smell is a concern with what is being grown, an exhaust fan can be included with a small charcoal or other air purifier to get rid of the smell. Adding lines that water can be poured through externally makes it easy to water daily without opening the device. A light timer is always essential to steer clear of having to turn the light on and off each day at the right times.
Even though hydroponic systems are a great way to cultivate plants, it is best to start with a traditional soil setup to work the kinks out of the box itself. It can be very difficult to access the box all the time to perform upkeep, so adding nutrients and water can be more difficult than expected. Hydro systems can be added in later, but given the many variables, it is good to check the box before other parts of the setup.