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NIKO: I read what you said on another thread that a 24W Geissman bulb puts out more usable light energy for aquatic plants than the CF units I bought for the AH fixtures I installed. If I read the post correctly I can save a bundle on energy costs by switching over. Where do I start?

Is this right? I know that the technology is moving quickly and I am waiting for the next breakthrough on LED's but if it is true that the savings between CF's and whatever the Geissman bulbs are is that significant...I'm in!

Thanks for your help Partner!
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