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I went away for a week during the holidays. The Autopot watering system worked great. This is what I came back to. Time to install the SCROG net.

I have a similar setup. I have a 3 x 3 x 5.5 closet. I use a 4" HO Can Fan and 4" ducting. My light has 4 Cree CXB3590 run at 1750mA. I haven't had a problem with heat buildup. If anything my room is a bit too cool. The air temps coming into the room is around 66 - 68F. My indoor temps are mid...

4 x CXB3590 @ 1750 mA, 3500k. It's working well for me. The grow closet is 3' x 3' x 5.5'.

That's a good idea to test the watts. I'm getting a controller, so I think I will do that to know where the safe low setting is.

Here they are at the end of week 6. They've been feeding from the reservoir now for a week. I'm seeing some improvement I believe. I think I was underfeeding a bit before getting them on the Autopot system and hopefully I am past the deficiencies I was seeing. I cut out the epsom and I'm at 1.2...

I'm at the end of week 5 from seed. I just fired up the reservoir, so hopefully that will get the plants on cruise control a bit.

The roots are looking pretty healthy... nice and fuzzy and white.

I did some topping and training to start opening up the plant structure to get them growing more horizontal for the eventual SCROG net. I had some old aluminum bonsai training wire laying around which I used to make some stakes.

Well, I'm sort of playing around with my recipe a little bit, specifically with the ppm. But, I'm using the 3-2-1 ratio (AKA 1.0 jacks hydro to 0.67 cal-nit) as a starting point because some other growers have had some success with it. I've seen some growers cut out the epsom completely, and...

Yikes! Fortunately, the Jack's nutrients I'm using is nitrate based nitrogen and not ammonium based nitrogen.

Yeah, I've been a bit surprised with the low EC of my tap water. But, talking to other growers up here in Portland they say their tap water is right around 20 - 50 ppm typically. So, pretty low ppm and very soft water. The water bureau report says water here is usually 7.4 - 8.1 ph and 2.72 ppm...

My runoff with straight unfiltered tap water plus my nutrients is somewhere in the mid 5 ph range. I've tested it twice at different times and it's right in the 5 range. So, when I saw the filter was creating such high ph, I figured it best to not use that water until I figure out what is up...

Here's something I tried and found a bit strange and thought I might post it as a fair warning to others. I have used a chlorine/ chloramine filter for my outdoor garden and it seemed to work pretty well. It attaches to the hose and thought it would be good for any beneficial bacteria in peat...

So, a couple things I've been working through. I'm using Jacks Hydro + Jacks Calcium Nitrate + Epsom with a 50/50 Canna Coco & perlite mix. At the beginning of week 3 I went from feeding the seedlings at 0.8 EC up to 1.7 EC, because the seedlings looked a bit yellow. The 1.7 EC mix was 3g Jacks...

It's been a week since I transplanted into the Autopots. They are on week 5 from seed. I'm top watering for a couple weeks until their roots get established and then I will switch over to the reservoir. The plants have been topped and I'm letting the laterals branches develop now before I do...

Ttystikk, so are you still using this recipe I found in a post of yours awhile back (see below), and how has it worked for you? You mention you might switch to 3g hydro to 2g cal-nit. By the way, do you grow in coco? Veg feed; Three grams per gal calcium nitrate. Mix that separately from the...

Oh I know. In some cases much more than synthetic nutes. Clay soils collect all that bad shit ... although we don't grow with it. Bat guano has crazy high heavy metals and that's "organic". I just like to ask the question. Otherwise, I'm pretty excited about using the Jacks.

Yeah, that's sort if what I figured. It's all the same basic ingredients... just diluted for bottled nutes. When I look at those numbers it does appear as though the heavy metals ratio is higher in the powder nutes only because they are powder and more concentrated and the solution nutes are...

I've been reading some of your stuff about Jacks 321 on a couple different sites and threads. I wanted to jump in and pose this issue/ question about Jacks. I'm wondering about health issues with salt nutes that have heavy metals. It seems as if all of them have some level, but some appear to...

Transplanted the plants into their final home. I was seeing a few weird deficiencies and think it might be because they were slightly root bound in the 4" pots. I thought about putting them in 1 gallon pots and then figured screw it and put them directly in the 3.9 gallon autopots.