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I don't think those bulbs have a ballast in them. Read the box carefully. I believe they need to be installed in a fixture that has it's own ballast. In my experience, if it has a mogul base chances are good it is not a self-ballasted lamp. FWIW, here is the ballast inside of a 105w CFL that...

Hey GardensGrow. I finally cut the last part of my plants. I staggered the harvest with the last cuts yesterday at 95 days. I harvested at 65, 73, 74, 76, 78, 81, 84, and then finally at 95. The majority was taken on days 73 thru 84. I let them grow longer than I was anticipating. I was...

She looks like she's gonna be loaded with main bud sites!

Yeah, three plants. I'm staggering the harvest. So far I've harvested 276g wet. If I figure an 80% loss in drying, that'd be about 55g (~2 oz) of bud. But at least half of it is yet to be chopped. So I'm thinking 5 oz might be possible by the time it's all said and done. I think I'll hit 4...

Lookin' good man. On my grow, the harvesting has begun.

I think I would appreciate a 1 or 2 degree Celsius drop in temps. I'm in a smallish cabinet. Almost any measurable decrease in cab temps is good for me. But mainly, I'm thinking of adding a second bulb to my current 250w HPS (it's a 250w MH for veg). With my current cooling arrangement...

How about a link to the 400w digital ballast that will run a CMH?

Any new pics?

I have one of those. They work for moisture and light but mine is next to useless for pH. I use a drops for pH testing.

FWIW, mine started showing sex (pre-flowers) near day 30. By day 35 I could positively identify two of the three. The other was a bit slower but by day 40 I had them all confirmed one way or the other. Didn't start this thread but my pre-flower pics are in...

I've just been snipping off a tiny trich covered leaf. Place on a white sheet of paper, place scope over it (resting on paper), and view. I haven't even tried viewing on the plant. Judging by the care and steadiness needed with my way, I don't know if I even want to try viewing on the...

Ok, right on. I was just wondering if the yellow might be sign of nutrient need. When mine were a similar age I had begun giving them "my" full strength nutrient mix (which is actually 1/2 strength if you go by TechnaFlora's directions).

Sweet. Plants look good. Great even. What kind of soil and nutes are you using (or planning on using)?

Damn. Tough decision. I almost hate to comment one way or the other since the threat and your risk tolerance is hard to judge. However, I'd be pretty dang "uncomfortable" if someone detected my grow. Even if they were cool with it, it's the security breach itself that is the problem. The...

If you just need to see them, get a more powerful magnifier. RadioShack sells a 60x-100x scope for something like $15. With a little practice, they work pretty good. I took these through a RadioShack scope and my 7 megapixel Olympus Stylus. The camera does NOT aid in viewing though. The...

Yes, I did trim the bottoms of each plant (to varying degrees).

Maybe you can see the pics I posted in this thread? https://www.rollitup.org/general-marijuana-growing/94353-day-50-flower-1st-grow.html

Yes, total of 90 days since the seeds broke through the soil. 40 days of 24h/day lighting under a 250w MH lamp and then 50 days of 12h/day lighting under a 250w HPS lamp. I'm using a Lumatek digital ballast so swapping between a MH and HPS lamps is just a matter of unscrewing one lamp and...

Thanks everyone! Really, the positive comments make me feel good. It's been a lot of fun to watch them progress. I figure in another 2 weeks or so they should be done.....YA!!! This started as a "trial-run" to figure out what I'm doing but to my delight it's exceeded my expectations.

Whacha think? First grow, bagseed, veg'd 40 days w/ 250w MH, 50 days 12/12 w/250w HPS, three gallon pots, LST.