http://m.ebay.com/itm/10pcs-3W-Deep-...031?nav=SEARCH
Or this one here.
3w x 14 leds each scrubber
http://m.ebay.com/itm/10pcs-3W-Deep-...031?nav=SEARCH
Or this one here.
3w x 14 leds each scrubber
Each of the 10w is probably running 5 watts each. But 4 of them on each upflow scrubber (and two scrubbers) would be a good start.
Each of the 3w would probably be running at 1.5 watts each. So 14 of them on each scrubber, should be good.
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