light brightness

I use free lux and ppfd aps from google play. I assume they are not as accurate as dedicated meters. Anyone have any experience with these? This is my first grow. First couple weeks. I think I had light intensity too high just lowered. I identified some leaf heat or light stress. Now...

So, not sure if you would call this 'old school' but I wish to grow weed without tents and fancy equipment... Basically as a house plant in my greenhouse that is part of my house, has walls and celing out of glass and a large number of other plants. Also has ventilation... Well a door I keep...

Hey everyone! First time grower here. first and foremost, my plants are growing extremely slowly, and I think that’s an issue with light intensity. So, I definitely know I need to invest in a more intense light. My question here is that I have been doing LST, and I have been reading and...

Currently got a 1.2x1.2m tent. I am three weeks into flower using a 600W hps however running the digital ballast at 660W. I havebuilt the screen the whole size of the tent and its safe to say i have bud points from front to back to every corner. However the front side and bits across the...

Hello everyone. Due to the extreme heat and summer turning on its blast furnace here in TX. I’ve decided to start a grow closet. I grow ONLY for personal, medicinal use. I have done my studies on mediums, PH, etc. But there are so many light options and hard to find for my specific needs. Closet...

Hey guys! So I’ve been running an HLG 100v2, an unknown blurple, and 4 cfls rigged together (86w) in my 4x4 tent. Total wattage was like.. 250 or something. Watts/sqft was like 15. Just got my new Meijiu 480w LED board today in the mail and set it up! It has a dimmer switch from 23w-480w. I...

Hey, I'm kind of a noob here and I wanted to know if y'all can help me, much appreciated. I want to know if a total of 56w full spectrum lights will be enough for a space bucket, should I get more? And also if I stick with 56w will it affect time of vegetative and flotation? Thx in advance!

What up everyone! I have a mars hydro ts600,mars hydro tsw 2000,and king led 2000 all up in a 6ft tent.im currently at day 39 of flower. Most of the strains will be done between 55-65 days,with Skywalker being able to get to 70 days of flowering. I wanting to know if I have my lights in the...

Hey I’m new to growing I bought two Space Cream clones earlier this week (3 days ago) and just transplanted them into 1 gallon pots 2 days ago. I’ve been running a 18-6 light cycle since they’ve been in the pots. I use a low wattage led grow light bulb from Home Depot in my closet.(it’s all I...

Just need some rough idea what my lux meter should be reading at this point. I've decided to veg. with both veg and bloom switches on. Is this a mistake? They are about 20 days in from sprout! Skywalker is about 15 days in... thanks in advance

Ok,I'm running a 1200 watt king led, and two sunblaster 25watt cfls,i need some suggestions on light height from the tops of my plants. No lux meter yet. Ordering now! Is it true that I should run the led light in both veg and flower mode while on the 18/6 light cycle. They seem pretty...

TLDR: Leaves sagging slightly, also what opinions if i'm doing anything wrong. Hello, first time growing. Just wanted to get an opinion on how im doing and see if I'm doing anything wrong My 2 plants are sagging since I have transferred them to our DWC. They did show a little bit of sagging...

Hey, I am looking to upgrade my light situations in my 2x4 grow tent. Both lights will be a seed to flower light and I will be going with 3000k spectrum. I have looked at all the options and for my price point which is under 400 cad all in. What do you think of these two options? I am looking...

First time grow with DIY COB'S, looking for the right amount of light and distance measured with a fluxmeter. 2x2'.....one plant.......4 Luminus CXM 22 3500K 90CRI @ 35 Watt each......140Watts total. Need help! Thank you

Um..........Howdy! So I'm starting a small indoor grow so as to gain some of the self sufficiency I had when I was growing Monster tall bitches in South Africa, alas though, I now live in Portugal and lets just say, space is WAY tighter than one would like... be living like sardines in this...

Hello people Look, I grow 5 White Widow plants and one plant of unknown origin (derived from a regular, non feminized seed of another previous crop of mine, i call it a bastard plant) which suddenly started to show a pigmentation on the leaves, that has turned some leaves purplish brown...