Bro, your "science" is still bro science. You got lucky. This isn't my first rodeo, and I don't post here to spread bullshit. I was trying to help you. You just spent 25 bucks on a ballast that is going to do nothing but cost you more money in the long run. The electricity cost for 750w is practically the same as it is for 1000w. Except now, you won't get anywhere near the broader spectrum of light for your money, as that video clearly explained to you. Plus, you'll have to buy bulbs twice as often. The icing on the cake? You bought a $200 ballast for $25. You understand ballasts have a lifespan, right? Why do you think that ballast was so cheap? Us old bro-scientists like to call that cutting off your nose, despite your face. The saddest thing is that this entire experience has reinforced to you that you think you know what you're doing. It makes me sad to think of all the money you're wasted, and will have to spend again. The positive is that you'll probably grow enough weed to be able to buy actually good, correct equipment after a single harvest so that you can actually make a good investment and probably grow better plants. Good luck, bro.