I had some time last night to finish my light fixture. If you looked at the wiring on my last light post, forget it. I was wrong. I blame it on an unclear wiring diagram and not my ability to interpret it and put it to practical use.
My ballast had 4 wires going to the lights, two red and two blue. The original series wiring had the two blue wires on either side of one socket and two red wires on both sides of the other socket.
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My first iteration rewiring the light had me putting a red and a blue wire on each side of a socket. This did not work. Don't wire your lights like this. After finding a clearer wiring diagram online, I tried again. This time, I put two blue wires on each side of one socket and two red wires on each side of the other socket. This worked. I then put the second ballast in the fixture and the result was this.
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It's a bit messy, but it works. The lights are much brighter. I would expect this because they are being driven from twice the voltage they were before. It doesn't show up in this picture, but the lights are noticeably brighter. It's hard to take a picture of light.
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To summarize, I have taken two ballasts and put them into one light fixture with the result being two brighter bulbs. I have gone from 136 watts of light to 156 watts of light currently. I plan on having 204 watts of light when the HO 2 foot T5 ballast that I ordered comes in. I also ordered aquarium lights so that I can emit the spectrum of light that I want. I am still eagerly awaiting the e-mails that say my products have shipped so I can obsess over how far away they are at least twice a day. I'm hoping that my lights will be here before I burn out the bulbs I currently have. I don't think they were designed for this power consumption and I believe what I'm doing shortens their life. I will update when my products are here.