I was thinking of a 500 x 500mm heat mat on top of a 600mm x 600mm board with four or 5 door stop feet to stop any heat transfer into the top of the freezer in my outside shed with a light source above that can be adjusted. options are
Between £9.99 - £20 I could buy a panel but they are only 310x310x35mm (L x W x D)
225 LED 14W Grow Panel Red Blue Hydroponic Light Board Grow Tent LED hanger | eBay
Make something up like you have or
Buy the led bulbs and fix 5 to another 600x600 sheet material one bulb at 300,300 and the others 150,150 in from each corner like a five on a dice, suspended from the roof of the store, above the heat pad.
Between £9.99 - £20 I could buy a panel but they are only 310x310x35mm (L x W x D)
225 LED 14W Grow Panel Red Blue Hydroponic Light Board Grow Tent LED hanger | eBay
Make something up like you have or
Buy the led bulbs and fix 5 to another 600x600 sheet material one bulb at 300,300 and the others 150,150 in from each corner like a five on a dice, suspended from the roof of the store, above the heat pad.
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