Thanks guys. I switched out the 400 watt radiums because I was overdriving them with son agro ballasts and didn't like the idea of switching them out every 6 months $$$$$. I also wanted to reduce hydro costs $$$$$. My chiller was running quite a bit since I was running the 400 watt bulbs inside a closed canopy. I really like the look of 4 250 watt HQI pendants as opposed to 3 400 watt mogul socket bulbs. The light spread is much better and to tell you the truth the look is very similar to that of the 400 watt radiums. I have noticed an overall improvement in sps colouration since I switched out the radiums 6 weeks ago. There are a few colonies, however, that have showed a slight decline in colouration. My chiller runs much less frequently now as well. Haven't been running them long enough to evaluate hydro costs. I will report back.
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02-14-2005, 11:18 PM
Hybrid Mode
