How To Use Progressive Web App aka PWA On 420 Magazine Forum
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Hello, chinese made Mars Hydro are quite affordable. My impression is that they're not the nicest, highest performance ones. But what you get is a solid, cheap panel that will last for years. For your dollar, I think you get the most here.
I purchased two of the smallest ones: 300W. (180W true draw) They were 70 bucks each and I still consider that buy to have been a real steal. They downgraded the model because it was too good, now only 165W or so true draw. They will give you the bottom range of an acceptable light intensity. For your size (many plants), you might want to go bigger.
If you get the 600W you can grow very nice plants I think. The one thing I would mention here is that you will get more of a square light output area.. This wouldn't fit well with the 2ft deep space you got.