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Lets say I have a Led strip I want to run 4 hours at 350ma and after that, 8 hours more at 700ma. I have two drivers: one gives 350ma and the other gives 700ma. How can I automate this situation using timers? I mean..Is there some kind of easy way of switch between drivers using the same led...

Hi ..seems that the German store led-tech has a new strip. https://www.led-tech.de/en/50cm-Alustripe-with-98x-Samsung-LM301B-LEDs-3500k-and-connectors It seem similar to this one, but with connectors https://www.led-tech.de/en/50cm-Alustripe-with-98x-Samsung-LM301B-LEDs-3500k But...what I dont...

Hello all, just some nostalgic moment I want to share with you....Some days ago doing a deep cleaning at home I found some of my first led modular "lamps" I built circa 2001. All were red leds..I think they were kingbright..the modules were running at 12 volts..at this time I did not know even...

Hello and thanks for reading, Does anyone knows which one is the best ppfd for the slvia divinorum? looking for maximun vegetative growth...not rooting of clones. Or maybe how many watts of a good cob like an actual vero29 per square foot are needed? I assume that a good spectrum would be...

Hello, some weeks ago I posted about a sativa grow under vero 18 https://www.rollitup.org/t/old-school-sativa-under-vero-18.940938/#post-13540939 That one finish very nice with an aprox 1,5 gr watt of well manicured product. I started another crop same conditions, same clones, same tent, with...

Hi all, just to share with you that yesterday I recicled an old aluminium 80 cms long bar led with 4 citizen horticultural leds model CLU03H-25/55-PW-. These will be driven at 100 watts (25 each one 40.1μmol/s per cob at this wattage) Cost me a lot to find an spanish distributor...but they...

Hello, first, sorry about my english. I decided to do a grow with my old school sativa. It is the original elite clone which now is know as Reina Madre, a pure sativa with genetics from Reunion Island. It is a quick sativa, outdoors in North of Spain is ready about 10 october and can be cut way...

Hi all and thanks for your time. I have some money to spend and as I am in Europe is easy to me to obtain this leds: http://www.tme.eu/en/details/clu03h-25_55-pw/plants-growth-led/citizen/clu03h-2555-pw-01/ There are two kinds of horticultural citizen leds...one is more red-blue oriented, and...

Hello, and thanks for reading. I have 6 pure sativas in a 2x3 square foot size and a good reflection. I have used 6 vero 18 cobs at 5000 k 70 cri 100 total watts 16000 lumens aprox for the vegetation phase. The two first flowering weeks, I used the same leds but I use 200 watts so aprox lumens...

Hi all, I posted this in advanced cultivation...as leds are involved maybe you would be interested: https://www.rollitup.org/t/research-and-results-with-far-red-leds-730nm.843625/ Best regards

Hi all, first of all sorry about my english, I want to share with you the results of my research using 730 nm leds. Feel free to comment Grow surface 1 square meter Leds used 300 real watts and 20 watts of far reds: 2 old evoled bars (the old good ones, old Cree leds) 1 evoled bar (the last...