Quote:
Originally Posted by Hasbinbad
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all this about tunable florescents is jive talk.. those bulbs come in a fixed frequency pattern, and if your plants dont need those frequencies, you're boned.
NASA does tunable LED mats for growing shit in space on zero power, but AFAIK nobody has ever actually done that for weed.
this dude is either on some next level science shit or talking out of his ass about theories.
Show me a tunable LED diy kit and i will literally ask dredge's wife to give u head
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Never actually used LED, always preferred CFL as they are much cheaper. And you are right, they are not tunable, but only come in fixed freq's, which means you will need 2 sets of lights, one set for each development stage. A blue freq ~5500k for veg and a nice red freq for flowering ~2700k. Both of which are available at any Home Depot/Walmart/Costco for next to nothing. I always go for a Fox Farms Ocean Forest medium, which sends me packing to my local grow shop. Everything I've picked up about LED's comes from the owner trying to upsell me, so again I'm not sure about being able to tune different light freqs using the same LED board. I just know they are less power/heat than even CFLs.