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If i am vegging under 18/6 how do i space the 4 floods every 6 hours? One of this will be on the dark period.

I want to power 4 Zeus XT board: https://www.led-tech.de/en/ZEUS-308-XT-High-Performance-KIT-3500k The seller recommends to use a Meanwell hlg 480h 42a driver on paralell wiring. If my math is ok this is 2850 mA per board. I want to use this max at 2000-2100 mA in flowering. In veg around 1000...

What do you think about the Zeus board? Is it maybe original Samsung diodes or is this a chinese copy? And is it true that i not need heatsink if i run it low? Like 54 or 77 W.

Thank you, sounds good. What do you think about this kit? SCOPE-320 LM301B Led Strip Kit [1m x 1m area] 150-370w built in dimmable driver 3000k Is this as good as cob diy in the same wattage? I am thinkig of getting this kit and not need so diy. But i could do it also :)

It seems it is difficult to build with dual spectrum, because i need the BBL type, which i can order from the US. So my first build will be probably with 3500K 80CRI. It is good for veg and for flower. So i will need ~ 350W. I can achieve this with 9 COBs running at 1050mA. 9*36=324W. So less...

The CLU048 1212 90CRI has two version: -below BBL -on BBL What i can see is one of them is short on blue spectrum. But which one is good growing plants?

You said that you would never go for that much wattage in a 1m tent. What would you go for? Honestly i read for days and i can see different opinions.

The 3000K 90 CRI exist in 2 version: - 303H6M3-F1 90 CRI below BBL (i can order it from EU) - 303H5M3-F1 90 CRI on BBL (i can order it just from the US) What is the difference? And which should i order? I see that the below BBL model has more green peak.

Yes, originally i planned to use 2 drivers. In veg i wanted to dimm all lights to 700 mA, and in flower to 1200-1400. But can you explain this 2 spectrum more? In this case i will use just the 4 4000K's for vegging and all COBs for flowering? In each corner is a 4000K, and the rest will be the...

Hy, I need some help for my COB build. I have a 1 meter x 1 meter tent. It is actually 3.3 feet x 3.3 feet, but some of you is considering it to 3x3. So it is 10.89 ~ 11 square feet vs. just 9. #1 confusion. With witch one should i calculate? I want to use COB LEDs, Citizen 048 1212 Gen 6...