Been away from planted tanks for a few years now, itching to get back in. I have a 75g Tangy tank I'm going to move fish around, and reboot it as a high tech planted tank. I can reuse the two Eheim 2215's (classic filter), the heaters, and I have some old black 3M color quartz and Fluorite I've kept in buckets for substrate. Plan on buying a GLA GRO-1 CO2 Regulator, trying to find two 5 or 10lb tanks used, or buy them from Roberts, prob go PPS Pro (have had success there). Right now the 75 has a Satellite Pro on it for lighting... I'm thinking that's not enough light. This hobby changes so quickly, I need help in deciding which light. I've been on the boards, reading, a lot....I'm torn between the Radion Pro Series (quality yes, but mega bucks, like really EcoTech?) or the reasonably priced Finnex 24/7 (I've read quality is lacking, goes out w/in a year or two...etc). Thoughts everyone?