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Need to update my old fan's. Looking for some suggestions before final decision. Currently using 6" hyper fan And a 8" hyper fan with controller. I'm looking for the same or similar setup in EC fans, sorry but not interested in the good old AC fans. There is one stand out as far as I can...

Happy Father's day to all the Dad's out there.(UK) Have a good one.

If you have built a Samsung Hinfulx light. Only the newer strips with lm301 in them. Feel free to post any pictures of your builds, and most importantly your yields plants and buds. Anything advice you would give. If given the chance to build another light. What would you do differently? But...

After a bit of reading. Found a nice article about uvb leds. 280nm UVB induces secretion of HMGB1 and apoptosis (death of the cells) 310nm UV-B induces the secretion of high-mobility group box-1 (HMGB1) enriching phytochemicals in plants. without inducing apoptosis. In the case of...

Interesting combo. UV diodes getting there. Only Nichia comes close, but a Agromax T5 beats that by miles

Just watched The Gentlemen movie from director Guy Ritchie. Really enjoyed it first time round. Then watched it back to see how realistic it was. If you have not seen it, give it a watch. Just for the weed factor if nothing else. Know plants were real in the old Cheech n Chong movies. These...

Checking the Samsung calculator on the 3000k. Running at 1.4A max and total wattage of 400W. All numbers the exact same to check what has best lumens and efficiency ratios. Average new grower based on 400W setup. All tests are in series. Till maxed out at 400W. Here is the list from best to...

https://www.pnas.org/content/102/50/18225

Anyone know where to get 600mm length, 25mm wide heatsink to run Samsung S02 SL-B8V1N30LAWW Only place I can find any in the UK is lumitronix. Priced €8.89 2k/w thermal capacity. https://www.lumitronix.com/en_gb/aluminium-profile-600mm-for-smd-high-power-modules-53811.html

Here is my little design for my home build thanks to some wise folk on here. All their knowledge and insights have made me move from Migro 100 to my very own homemade LED light. Samsung lm301 are the strips(so2 3k) Big red circles are Cree xpg-3 deep red (G01 660nm) 4 diodes on a round pcb...