supplementing cobs

  1. DonBrennon

    Are these arrays any good for supplemental UV & deep red?

    http://www.ebay.co.uk/itm/LEDbloke-3-LED-Arrays-on-20mm-star-heatsink-Reef-Grow-Planted-UV-CREE-3up-/261782265471?var=&hash=item3cf3705e7f:m:mCou04yXcUD-3x2pqwbiT7w I'm specifically looking at the full UV (385-415nm) and the grow (photo red), they are updating the page, so info is a little...
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