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I recently built a supplemental light that is only 720nm. I'm wondering if I should turn it on 15-10 mins before and after the normal lights come on. Or just have it on 15-10 mins after the lights go out. Any feedback is much appreciate?

Like title says. I'm looking to buy a few inventronics drivers. I was in the inventronics site looking at those drivers. Their CC drivers seems to have a wider voltage range they can work in.

Like the title says. I've always used hydroton and i know i have to wash those before hand, but not sure about the coco croutons. This will be my first time using them. Anyone used it without washing them, did you notice any negative side effects?

I'm planning to build new flower light for a 5*5. I want 8 chilled pucks, and 4 QB 288's. I plan on getting the 5*5 substrate. I know it's about 13.5" in between the railing and a QB is 11.25". So it's possible. I was thinking of using Rapids driver mounts, if it worked it'd be perfect. But they...

I came home today and noticed I no longer have negative pressure in my tent. Part of me hopes the carbon filter won't allow suction for some reason. Anyone know why a filter might not let air through. I've had it for about 3-4 months. I can turn the fan off and on, I will a slight vibration. Get...

Wasn't sure where to post this. But i bought a small humidifier that i want to only be on while lights are on. So i connected to a timer set to my light schedule. But the humidifier doesn't turn back on when the power come back. Anyone know how to get the humidifier to automatically turn on once...

I received my package today after much anticipation. Only to open it and see 5 packs of seeds but none of the ones i added to my cart online? Any idea of the likelihood that i'll get my original order? Has this happen to any of you guys? I've ordered from this bank a few times now, first time...

I'm moving soon, so i'll have to start at seed. I'm coming up on my 1 yr mark. Ive been only dwc in 5 gals. Usually just pop 3 or 4 seeds, find the females and clone/flower/clone. But now that i can restart any ideas on how to germinate and sex in the fastest, cheapest, and smallest profile. I'm...

Made post in a different Forum. Here is Link. It's an auto about 42 days since it's first Bloom feeding. Any help?

This is my first harvest, 2nd-ish grow. First grow turned out to be all males. I'm wondering if this Green Crack Auto is ready. It's been 42 days since i started feeding her a bloom mix. Although she had white hairs 2 weeks after sprouting.

On my first grow, not sure what to look for when harvesting. I've read that i want cloudy trichomes and red hairs. The trichromes were much more clear about 2 weeks ago. It's 64 days old.

This is my first grow. I've read that i want mostly cloudy with around %5 amber. I see mostly cloudy i think. It's an Auto 64 days old. Just let me know if you need more pics.

This is still my first grow-ish. I grew 3 bag seeds but figured out 2 weeks into flower they were all dudes. So i've been here before with regular photo seeds. But these autos are looking weird. They both sprouted Nov-18th. Green Crack Purple Skunk

I bought a knock off Mars blurple light before finding RIU and reading on DIY LEDs. I've already opened the light and installed 4 COB's but 1 blew out yesterday. I'm thinking of getting some 1' Samsung or Bridgelux strips instead this time. My question is can i really run 7 or 8 strips per...

I'm wondering if Root Excelurator can be used in DWC. I'm on my first grow and currently not using anything for my roots. I got a bottle of Great White (the powder) free at local hydro store. But when I use it it makes my roots kinda slimy and brown so I stopped using it. What do you guy and...

I'm 8 days into flower, finally feel like i'm seeing signs of sex. Just want some second opinions, Are these dudes? I have them both in the same tent, if they are male could one have pollinated the other this early on? One plant another plant

So I'm looking at male pollen sacs right? All pics are different part of same plant. 4 days into flower of a random bag seed

I'm wondering if this is a female. I'm just at a month into my first grow using some bag seeds.

I've ordered a kit from King Brtie after lurking here and reddit for a while. I'm on my first grow. I have a 4x2x6 tent and one Maxsisun 300W I planed on getting another maxsisun but decied to build my own COB lights. I can't post links yet, but i have a King Brite Kit on the way, its 4 Citizen...