t5 bulbs

Hey everyone What is the ideal distance to keep my seedlings from a 36” T5 HO? I just took my dome off they are sitting 7” away at the moment. The girls are looking a little stretched but don’t want to get them to close Cheers and happy growing

:leaf::weed::leaf:

Hey people... I found an old shop light with some brand new t12 high output 4100k bulbs. Will these work alright to veg a few plants?

I am a licensed medical grower for a legal medical state in the northeast. My Goal: To grow as much tree as possible by the end of the year. Efficiency is of equal priority (space, electricity, and time), as well as some variety of medicine. I plan on harvesting every 2 months after initial 2...

Alright so Ive wanted to start a journal for a while and just had two seeds (purple cheese auto and super bud auto) pop up 5 days ago, I also have an amnesia auto I've been growing for 5 1/2 weeks to see if I'd kill it or not before I actually start. Now this may a little all over the place as...

I've built a stealth box out of an old set of drawers. It's pretty small (16" deep x 36" long x 28" high) but Im really tight on space and need to keep the whole operation out of sight. I've got 2ft t5 high output bulbs (24w 6400k) made by agro Brite and can fit a canopy of 4 lights hanging...

I got one of these from my hydroponics store http://www.amazon.com/Sun-Blaze-Output-Fluorescent-960315/dp/B009GCQWX2 This is just for my seedlings. Has anyone made their own reflector with one of these before? With the seedlings would the reflector matter?

This will be my journal for my very first grow. After joining this site a few months back and reading post after post trying to learn as much as I could I feel I've taken the steps needed to be succesful. A big thanks to the whole RIU community for sharing your wealth of knowledge with us new...