Okay guys so my tank has been running for a few months now and I would like to start putting some corals in the tank I've been really stuck on what kind of light to get as it seems for the light department everybody has their own opinion thoughts likes pros and cons on certain types of lights as I'm trying to keep it in a budget build I thought it would be best to kind of go a little more expensive as I can keep this light when I upgrade to a bigger tank instead of going for let's say a cheaper light like the current USA which is $100 for the LED bar which is a good price or I could buy the AI prime HD for 225 brand new yes it's $125 difference but it comes with the app it comes with a lot better features than the current and I can take that light and use it on a future tank a bigger tank so here's my question would it be better to buy a used product because I have found somebody with a used AI prime LED light with the mounting bar on OfferUp for $150 or I can go buy a brand new for $225 without the mounting arm please tell me your guys's experience and what your thoughts are on this thank you