A local guy has 5 of these lights listed on Craigslist for $40 each. He says they are brand new and they looks like a decent light. Wondering if these could be used on the cheap for grow lights and would I need a ballast to run em? Thoughts? amazon (((DOT))) com/chunnuan-floodlights-6000-6500K-Waterproof-Spotlight/dp/B07B3T1898?th=1