light

Hi everyone, I have some freshly sprouted Casey Jones fem and Nirvana's Papaya fem under a 400watt Cob. I germ'd them in rapid rooters on Thursday (oct 27) and transplanted to 6" plastic pots yesterday (oct 30) with FFOF and 15% perlite. There was a nicely sized root poking out of the bottom of...

Hello guys! This is my first post here, please do correct me if I posted in the wrong section. So, I have a purple kush which is about 1.5 months old and I was wondering how long should the plant be lighted? does the lamp's color matter? (white light, yellow light)? Cheers and Thanks!

Would it be possible to harness the light of the sun indoors without using electricity? Like having some kind of magnifying glass from a window bent to refract light back into a finite area inside the house sufficient enough to grow big buds?

hello freinds this is my 4 ladys (first growth) day 11 and transplant in day 5 -what makes me feel it was a mistake... using : 1x1x2m tent 660w hps (dual+adjustable) how they look ? does the hight of the light are good ? thank for helpers ja bless. :Namaste:

Hello All, I need help with figuring out my light spectrum for veg/bloom with my current light setup to make sure i am not doing more harm than good by mixing the led spectrum and T5. The plan is to keep the plants short and Run 4 Mars hydro Reflector 96 units (rectangular) around the 4 sides...

Strain info: strain: Cream Mandarine F1 Fast Version. seed bank: Sweet Seeds. genetic (indica/sativa): 60/40. # plants: 4. Setup: tent: 2x2x4.5ft (60x60x140cm). light veg: Mars-Hydro 300 led (5w chip, 140w total) modded with aftermarket fan to lower the noise. light flo: (cooltube) 400w hps...

So I added a second 600 watt light the other day, but used a metal halide bulb as my new bulb hadn't been delivered yet.. mistakenly I put the new light on full whack with the boost option turned on the ballast so the halide bulb was pushing out 660 watts I didn't get round to changing the bulb...

hey folks whats up with this plant? white dwarf dwc ph5.8 ec 0.5 ionic nutes budmaster cob 4 light 10-12 inch away from tops any ideas? cheers

I'm a new grower and I may have bitten off more than I can chew. I started 3 plants from seed 13/14 weeks ago. 1 never sprouted but the other 2 are growing beautifully. They are about 3 feet tall. I switched the lights to 12/12 three weeks ago but I see no indication of flowering. Am I being...

Hello everyone, This is my first post on my first grow journal. So exciting. I hope there's enough information below to kick things off. Just so everyone know, I don't think I'll be doing such an extensive setup (e.g.. tent, led system, etc.) because of the seeds that I bought (thanks Sensi...

Hello :welcome: I'm growing using 300w MARS LED, keeping it at 8", everything seems fine (other than she's growing slower than expected), no light burn or anything, dark green healty leaves. But I'm a little concerned, isn't this a little bit too close? I could only hang the light ether at...

Hey everyone, hope you're all doing well! So I recently got one of those thermometer guns with a little laser which will tell you the radiant temperature of the surface of an object it's pointed at. After pointing it at the leaves of my plants I was in for a bit of a surprise when some of the...

Hello all, In an effort to maximize yield, what is the maximum amount of light that a plant can effectively use? Is 600 watts too much? :thankyou:Thanks.

Hi folks am growing autos in a 60×60×140 tent using a mars 48 led but is a big small for the job Any ideas on what light to go for ? Was thinking a 300W. Also just saw that black diamond led lights for sale on growpotcheaply.com any 1 have any experience with these Cheers

Hi. :thumb: Im am sidney 30 years and new to growing, and this forum. Not sure if this is the correct page tho. Currently im 16 days away and started to see some brownish on the new leaves. im using light soil. its about 7 ph. and 24 degrees inside the grow room. Using a 250 watt cfl i did...

Hi guys Apologies this may not be in the correct section, mods are free to move it if necessary? I am new here, just signed up. Busy with my first indoor grow. Made a fairly nice size room for myself, 1.5 x 1.5 by 1.8m tall. Might actually be small by some peoples standards. Using a 600w HPS...

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Hi there guys just wanted to know if, 4 -12watt led grow lights (blue/red spec) will provide enough light to grow in a 2x4x5 space with chances of yielding average good say 8 ounces in that space?

hi all, my northern light Auto are coming up to harvest but has never had many leaves on each of the 5 plants but has around 40+ flowers all over on each, its about 2 weeks left and the flowers size isnt very big is there anything i can do to fix anything or does this sound about right for...

I bought a Roleadro 36w LED Grow Light Bulb on amazon. I would recommend this for people interested in grow lights but not quite ready to invest in a larger assembly, as well as anyone interested in a small grow light.Since it plugs directly into a standard socket, no extra assembly or setup is...