kelvin

im currently in the market for new lights and i keep seeing more and more companies make use of a particular datapoint (Color Temperature). Can anybody give me insight? There's a light i'd like to purchase however, it has the potion of choosing from 1750K-4000K and i know its K for Kelvin but i...

Over the next few weeks I should be ready to harvest my seeds. My Question to the thread is this... During Growth Phase, we use 6500K lights. Then During Flower, we change over to 2700K What is the proper Kelvin required to grow seeds??? 2700k or 6500k? -ALSO- What Light cycle should you use...

Is 2 led 5000k 1 6400k led and 2 2700k led lights enough for one plant to grow.. The led bulbs are 25 watts each

hi guys. I have 500w of 5000k led running at the mo. I need something for flowering. I know there’s a lot of cheap Chinese stuff on the internet at the moment but I don’t want to be spending 100’s for a first grow. I have seen there is a sale on a website and there’s a 600w dual chip kingbo...

I'm now confused about Kelvin when considering a cob or QB DIY build. I realise that I risk sounding like a total idiot here, but hopefully someone with the right knowledge can explain. In almost every piece of information I've read regarding growing it states something like 5000-6500k for veg...

hey men, im about to buy a system of cob like: cree cxb3590 4000K 80 CRI for vegetation and cree cxb3590 3000K 80 CRI for Flowering. My doubt is about color temperature of vegetation, i dont know if 5000k would be better than 4000K and what CRI use... what is better 3000K(80CRI) or 3000K(90)...

Hey everyone, this is my first post and first grow, so I'll try to be as informative as possible. I've previously grown quite a few types of plant; fruit, vegetables flowers etc. outdoors so I have a basic understanding of growing, but this is my first Marijuana grow, and my first indoor grow...

Hey guys after reading around 3 grow books, I stumbled on a part by Ryan Riley's Growing Elite Marijuana where he says that during seedling/vegetation that higher blue spectrum will increase the odds of your plants being female, is this true? If so I was thinking about switching out my 36V...

Hi guys, The is my first thread and I hope some of you more experienced growers could pass some knowledge onto a newbie. My grow is a closet grow about 3ft wide, 1.65ft deep and 5.5 ft tall (sorry tried to convert them all to feet). The issue I have is with my lights. I'm not to sure as to...