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General wisdom is a max of 50 watts/sqft w/o CO2 suppliment, and minimum of 30W/sqft to get a decent grow. At 100W true wattage for each of your lights and 7 sq ft, you're just under the minium at 29W/sqft. So yeah, you can grow with those lights, but in your space, you'd do a lot better with an...

I forgot to flush once and there were 5 traffic accidents in town that day! Just sayin'....

The hoard of flushers insistant that it goes hand-in-hand with good carma and better flavor are due to descend in 3, 2, 1, ...

Hopefully I can save you some wasted time by letting you know that "sexing seeds" is not a real thing. There is no advantage to the plant in showing sex, and if you think about it, why would people sell/purchase feminized seeds if they could just sex regular seeds. There are growers who swear...

I haven't priced strips for 2 years so take my estimate with appropriate skepticism, but I expect you'd spend ~$500 for a 1000w strip build, and I wouldn't put less than 2000w on this space.

After retiring I re-started using the Weed as a sleeping aid, and it worked great. So for a couple of years I stuck with growing heavy Indicas. But then I arbitrarily purchased and grew a Northern Lights that happened to be high in THCV and my world changed. The general view is that THCV is...

I'm in!

Ready? GO! I'd start 12/12 on your next dark period. When your girls start to stretch, you're going to be thinking you should have started a week earlier. I've been through a few SCROG grows and I STILL make this mistake; waiting to fill just a few more squares. My current grow I had to double...

I'm gonna hitch onto this ride. Getting serious about picking up some Malawi fems from Ace so your grow should give me a good preview. What's your attraction to the African sativas? For me, it's a hunt for THCV strains.

@xtsho (or anyone else with landrace grow experience), I'm on the hunt for strains with significant amounts THCV and you've mentioned some of the landrace strains that are on my radar. Have you noted differences in the quality of high provided by the landraces/IBLs you've tried? Any experiential...

How high above your canopy do you run the UV tubes?

Depends on what you're looking for and what area you're in. We have 360 miles of coastline, so lots of variety. Lincoln City and N, including Cannon and surrounding, are heavy tourist areas due to proximity to Portland. Waldport and S, things get a bit less frenzied and you can actually find...

On a run to Portlandia today I noted, for the first time, what I believe are pot fields along I-5. Saw several 40 acre fields of what looked lilke waist high Indicas each with 8-10 nice colas that have gotta be getting close. It's an inspiring sight. Regret not having the spouse take a photo to...

Removing Mg and Ca won't be good. I know Na+ is required in trace amounts by most plants, but also toxic to most at relatively low levels.

I expect that adding a significant amount of Na is going to be a problem, but @OldMedUser , can you pull out your chem degree and give us some input on using Na ₂H ₃CO ₆ in hydro?

I expect it's due to the algae attaching more quickly to the sides of the rez as opposed to the Pythium that apparently remains free-floating for most of it's life cycle thereby getting pumped through the UV machine.

Yup. I think I saw you suggest these in a post last year. Ran one in my rez for my spring 19 grow and it worked fine for contol of free floating fungi but algae would attached to the rez walls and the tank looked pretty green between rez changes. That's why I went back to dumping in 200 ml of...

Yeah, I'm aware that you're on a whole different level of growing, and I've relied on your experience frequently. My med+rec needs (~100 g/mo) are much more modest than yours, easily met by my 2'x4' grow space -- and I could probably do with half that -- so I can afford to use my materials more...

Yeah, ok. That explains it. Changing with that kind of frequency would go through nutrients like crazy. My protocol for my 20-gal, 3-plant rez, has been 2 rez changes: the first at the beginning of flower and another midway through flower (although, I'm skeptical the second change is helpful...

and how often do you change your rez?