sanjay did some analysis on those cheap ebay bulbs and found them a lot of value for the money. Out of the various cheap bulbs available most of the e-bay ones performed better $ for $. They're not the same as a geisseman 13k or an xm 10k in PAR but they're better than the ushio's and coralife's for sure.
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Everything I put in my tank is fully dependant on me.
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