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I use 3x3 4 gallon fabrics (3R) in 4x4 space, main-lining, solid amendment, blumat, about 3 potting before flowering. growth time depending sativa/indica/pheno , and the apex numbers wish. working in space is easier with 8 plants. I don’t think you need 4 gallons if you dont use organics solid...

Construction evolution : Fram 104x100cm construction cost ~ 70 euro 41 cm free space between boards Boards are 10cm from walls. I just received the 2x39w for UV the drivers will be integrated to the frame I will fix lights and drivers when my space will be free. I still have a few days...

@Randomblame I thought run boards as low as possible to preserve the led, but I would not add extra light if you think it's useless. If I can fully run the 4 boards on the 480H-42a it is enough for me, especially the boards do not heat that much. 58.8C ~ 3.5a/140w at an ambient temperature of...

L09, L06, S04 3500k out of stock ^^ LT-QB22a 3500k out of stock

(live configurator system) 860μMol / s / m² with HLG-480h / 42a, four boards, 2a per boards ~ 308w, with 3a per board I am ~ 1300μMol / s / m². Max board current is 3.5a. I have about 40 / 44cm of free space between the boards.(16/20cm) are for Uv. the width of the Q series is 1.8 cm, I will...

hello, thank you it is very interesting. I am from Europe and they are high shipping costs. Customs fees and additional taxes can still push up the bill. Can you confirm me that they are strips 3000k 90Cri 190lm / w?

I still have to add UV and red / far red. with 4 boards rated current 2a (77w) I have 860μmol / s, I do not use CO2, I target ~ 1200μmol / s for about 833 PPFD in 4x4 Space (~ 4 boards 2.8a) .I'm planning to add some strips / boards to preserve the leds. Boards take a lot of space and are...

here are some pictures of the material. [/IMG] 2020 profile 10x1000mm + 2x255mm the frame is currently 1040 x1000mm, I think to enlarge to 1120x1000mm to have the possibility to add strips Here are the two drivers, I thought to make two small frames and I changed my mind for a single...

I read well? Cree J série JK3030 3000k 90Cri 190 lm / w ? WtF bongsmilie https://www.cutter.com.au/proddetail.php?prod=cut3377 I don’t understand very well I can not find the same number on the pdf https://www.cree.com/led-components/media/documents/data-sheet-JSeries-3030.pdf

I already spent some time on the live configurator of led tech, I Went on a base of 10% deep red 660 nm and 2% maximum of far red 730nm of the total power. After the tests I think ~ 7 % 660 nm, the far red 730 nm will be limited to 2% of the maximum power to avoid trouble. So 4 Zeus XT boards...

personally I prefer to add deep red, far red^^, I could more easily play with the spectrum and add / remove other wavelength as I want later, the efficiency is on their side and I will already have the 730 nm if I want to experiment with EoD. the 3000k cob Cri90´s red is beautiful, it will...

I thought maybe he was using the 757v2, I'm desperate for strips 757v2 lol, optisolis would be the dream ^^ it would seem that cobs is the best alternative i will continue to search. hope keep alive^^

i looked at the reflector, the price is twice for ev1 quality anodized aluminum. I think I will still take them and they will surely be more efficient in time the boards force me to put the two Uvb lamps in the center. There will be 10 cm spacing between each lamp, each lamp will be 45cm m...

I also look at for the led strip Cri 90 I Found this http://www.holectron.com/wp-content/uploads/FL-112.N-datasheet.pdf

Thank you very much "the UV project" 8-)materializes. You make things easier for me, I only have to order ^^ . I can not read the pdf arcadia I have searched a little on Google but I have not found ^^ I have long thought about how to put things in place, I will have to go with two arcadia d3 /...

thank you for your help i have some more questions^^ Can I expect 80-100μW / cm² UVB at ~18" with the arcadia d3 54w? and I would like to know at what stage you start exposing your plants to UV. I always try to wait 5 to 7 days after repotting before playing with the light that the plant is...

The UV lamp is a real headache, the operating height and light distribution are a problem, especially when you have a configuration with maximum LED to make it work as close as possible. A 2x2ft bulb + a reflector (116w) or two bulbs + a reflector (108w) will take up a lot of space on the frame...

I worked on the Cob all night... I only can get the BXRC-30G4000-c73Se from digickey and the BXRC-30G4000-c73 and Se version from arrow there are no more customs fees on arrow shipping is free time limited time BXRC-30A4001-C-73 Out of stock BRXC-30H4000-C-73 Out of stock Everywhere...

Hey @Randomblame,thank you very much for you r advice. if i had known there were no customs charges on digikey i would have surely build my frame with strips ^^ I ll Shake the Vero 18c gen 7 price. I though 3x3 or 4x3 Cobs make more sense^^ If i have the ressource i ll go 4x3 for run them lower...

My next Work is uva/uvb ^^