these bulbs don't get hot the top of the box is just warm you can hold the bulb while it's on they are now available on ebay in the UK in Dual spectrum and have both elements the 2700K and 6400K and perfect for growing autoflowering strains.
when i get som more funds i'l get this twin shade from Sunmate designed for the CFL with superior reflection they say with 2x 200watts youl have the same as 1x 600HPS bud with 30% less running cost.
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