lights

In the warehouses growing marijuana for Colorado's cannabis industry, rows of plants, thousands of them, bask under bright lights. The blazing lights are essential to the business – and also one of its biggest threats. Sally Vander Veer of Medicine Man Production Corp., one of Denver's...

I have an 8'x7.5' room for flowering. I a plan to flower 4 large plants at a time. When I install lights in the room, do I need to have enough lights to cover the entire room, or do I only need a light over each plant? For example, Brand X says its light will cover 12 square feet...

Hey! Do they look normal? They all have purple stems and are purple underneath the leafs.. this is my first grow and i have no idea if that's normal :scratchinghead: Strain - 3 plants. 2 of them are th seeds h.a.z.e or mk-ultra, i don't know which one is which as i germinated 4 (2 of both)...

I live in Oregon and just trying to decide what to grow this spring.... I have Honeysuckle , Mojave OG kush, Spliff Sweet & sour, OG Berry, Northern lights, and assorted auto's.... looking forward to another spring/ summer. Any one from Oregon?

hey everyone. im about 3 weeks into flower, and lights were left on, for 24hrs during 12/12. (last week it happened for just a few hours, i switched timers, and the second one broke also. they were both bought from the same store. i know not to get those timers anymore.....) what should i...

hey there does anyone know if 85 degrees is to hot....im using led lights??

Ever since I started with my two MarsHydro 300W grow lights (which I am very pleased with) I got very interested in that entire grow light/LED technology. Spectrums, LED ratios, different types of LEDs, the usual. I am getting increasingly interested in DIY and I came across several threads on...

Hi everyone , im new here and have a question id like to hear some opinions on . So one of my rooms fluctuates about 12 degrees between light Cycles. From 80 - 82 lights on to about 68 lights off. I don't have the space or the desire...

Hello there! I stumbled upon this forum when researching grow lights, specifically LEDs! My focus is cacti, succulent, and mesemb and various cooking herbs which need some intense light. I hope I can learn a little bit about grow lights from everyone here since the community is centered on it...

Hi Everyone, I hope you are doing well. I recently started growing Dr Krippling Grand Heft Auto. I germinated the seed with the water cup method, and after the taproot popped out, i changed it to kitchen towel method, grew the root about half and inch and then transplanted the seed...

I have 2 1000 Watt high-pressure sodium lights that I'm currently using to flower my cloned plants and I want to use these same lights to try the auto flower variety. I have never tried the auto flowering type before and would appreciate any thoughts on the lighting. I also was thinking a light...

Hey 420 peeps so since I've only done 1 grow before which a hermie destroyed I thought I better get it all going first so this journal will be from the start of the flowering phase The strain is the wonderful super lemon haze by greenhouse seeds my area is 2.4x1.2 with 8 15l airpots filled...

Hellow Friends, im Mike & new to Starting Out from Seeds & Growing Pot!! Love Growing anything!! My question is-Does it Hurt my Growing by bringing my Plants out during the Days & finish my 16-18 hours under grow lights?? im in san diego calif!! seems the real sun helps becauss i dont have...

My early miss auto is 25 days old above soil. I have it planted in a 2 gallon flower pot filled 75% full . I gave it 3 hole days before watering and the soil was very dry. I watered it 16 oz of water until i seen a little come out of the bottom of my pot 5 minutes before my lights went on . The...

I am in a bit of a predicament, Growing autos under a 250 and have been doing the 18/6 light cycle, However I have noticed that the RH is going up to 60 when lights are off (fans and extraction is running 24/7) when lights are on the rh is 45 / 50. The plants have 3 weeks left and the buds...

Hi everyone hope you are doing well. for any of you that have seen my posts im almost 14 days into flowering,, and ive had another idea... can i add another light to my set up during flowering??? im running a 6oow hps in a 1.2x1.2 tent with six beauties but i want more light to get further...

I'm hoping that you can share a few tips on proper light height for the mars lights I have two of the reflector series 144,s and the walls on my grow room are moveable so grow space isn't a issue I can expand my grow to be 3 "X 7 " box with 9" celings and heat isn't a issue excellent...

I recently over watered my plant but it since recovered. Today i took a peek at my plant when my light's where off and i seen the leaves drooping . is it normal for leaves to droop when the lights are off ? Or did i over water my plant again ?

Hi 420! Need help wiring up my new Philips HF-P ballast to a UK Mains supply, is it similar to wiring a pc fan to a mobile phone charger or is it more complex? I am fairly confident I can wire the lights to the ballast but really not sure how to wire the ballast to the mains. Any help...

tanning bed lights to start seeds and veg