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Have we found a good US source for the rio coco products yet? And also, since they come pre-washed from the manufacturer, do they STILL have to be flushed again and again with pH neutral water to get the TDS down? I read a much earlier post documenting one guy's TDS numbers measuring the runoff...

I wanted to ask about overdriven fluorescents and their power consumption, which I thought might be especially (though not exclusively) interesting to you, V V, since their improved output suggest the potential to REALLY match HID outcomes, with no heat issues and potentially MORE...

It seems like overdriven T5HO's really have the potential of competing with HID's. Ex: Two 8-lamp T5HO setups (total of 16 bulbs), when overdriven 2x will put out 1.7 times their rated output. In this case that would be 16bulbs X 5000 lumens per bulb = 80,000 lumens. Multiplied by 1.7 (when...

Does anyone know how much wattage an overdriven bulb actually consumes? If you overdrive an 8-bulb sunblaze that normally runs at 432 watts (8x54 watts) 2x by putting on two extra four-bulb ballasts, each powering two bulbs, then the available power from the ballasts would be 128 watts per bulb...