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Fan leaves only so far - I'm 4 weeks in flower. It shouldn't be an iron deficiency - been feeding my plants cal/mag + iron for a few weeks. The problem appears at the same location but the leaves turn yellow/brown and start drying out pretty quick. Runoff is 6.5 so it shouldn't be a PH...

Leaves start browning and dying off at the center. They get way worse than this but I removed the worst affected leaves before I decided to post the problem here. Just 3 or 4 plants have it in a 50 plant grow. Only seems to affect fan leaves so far. Some sort of root problem?

Thanks chief, but I'm looking for people with hands-on experience.... Nobody?

The only brand nutes that I know that I can find here are Advanced nutrients and Fox Farm trio and they cost 60 bucks and up for a half litre set, not in the original bottle, no way to tell how old the nutes are, etc. There is also this local brand T-Rex, that I guess fashions itself after...

I'll give those 5k a try for vegging. With my last cfl grows I got kinda lazy and did both cycles under 2700k - I have to add, with almost the same yields as I got before. Just goes to show that proper feeding and air- and stresscontrol go a long way too - but switching to LED will be a good...

Sweet, thanks!

http://led.canyon.eu/shop/cap-base/e27/canyon-led-a70-e27-15w-220v-2700k/

I assume these bulbs will also work: led a70 15Watt e27 2700k

Heat is my biggest issue so that's not an option....

Good tip, probably saved me a couple of hours of work, thanks!

Thanks, I expected as much. So, very basically, I put 20 sockets on a wooden plate, screw in twenty 15 watt LEDs, hang that over my plants and am good to go?

Recently I stumbled on this here: http://www.tomtop.com/led-grow-lights-360/p-l1346eu.html So this is about 90 bucks for a 300 W led set. I was thinking of switching from a 500 W cfl setup to 2 sets of this + some cfl support. Is stuff like this just too dodgy or OK to give it a go in...