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Sup rocky mountain man, Thanks for that explanation. Do you recommend the growstones instead of hydroton? (not that I plan on using either one) That 105F came from reading their documentation-----which leads me to suspect it's a tea that's mixed with water. Long time ago I tried some...

Well, thank you. I'm still around. A~~~

Hey pat, If I remember correctly, you're running double-ended lights------no glass, sealed room with large air conditioning to keep temps within bounds? The 5 x 6 canopy footprint you suggest is based on a de light? I have no experience with the DEs-----only conventional single ended 1K hps...

Hey tty, Happy new year. Yes, four 600s for a 6 x 6 canopy. I'm a believer in the benefit of light movers-----especially with multiple lights ( the plants get light coming and going). A~~~

pics of your pumps and rez? A~~~

So this your first run with this system? It looks like your buckets are on the floor-----I assume your rez is sitting on the same floor? If true, how do the buckets empty and drain back to the rez? Are there air stones in the buckets? Is the person that set up your first run still around? I...

First, welcome to RIU Daniel------no fun to be freaking out. As @Corso312 suggested----looks like lack of oxygen to me too. You mentioned flood and drain-----how are those buckets being drained to a rez? What was your first run like? Do you have a separate room for veg? If so, watts of...

Looks like cal-mag deficiency. A~~~

Hey Budley, hope santa was good to you. I never liked the idea of handling freshly popped seed. That's the main reason I chose the cup method---no disturbance until roots well established. Yes, I think your root problem may have originated from the rock wool-----no experience using that stuff...

Hey rkymtnman, I looked up those growstones on amazon-----looks like the same as hydroton? Read about that powder "Lucas formula". It says best mixed with 105F water-----sounds like a tea to be mixed in rez. A~~~

High guys? From reading about this powder product-----says best mixed to rez------then it says best mixes at 105 F. Sounds to me like a tea that's mixed in 105 f water, then cooled before adding to rez or individual containers (DWC buckets, etc.) Anybody agree or disagree with that? A~~~

I rooted clones (mostly) and sometimes started seed using the cup method for years-----very reliable. Yes, I used Oliva's gel on cuttings-----seemed to make a little difference. (don't believe the gel would root a pop sickle stick---like they claim, LOL) The plants were usually ready about...

Sup Budley, Glad your root issue is getting better. Well------- here's how I "do it" and why. I've finally reached a 100% medium free operation----except for starting seed. 16 oz plastic cups filled with vermiculite and 1/4 strength bloom soup (around 200-300 ppm, .7 conversion). High RH...

Hey HDS, Almost to the final $tep for this round. May your final weight be plea$ing. Curious to see what's up for the next round (configuration). A~~~

If I read the chart correctly: 250 ppm on your Hanna is 350 ppm on my oakton 500 ppm oakton = 700 ppm oakton. A~~~

Nutes are Advanced Nutrients 7/14 micro/bloom. Lucas (8/16 m/b) is a little too strong. Foliar feeding with what strength nutes? Never used the nutes you use. A~~~

Hey Major, Plant looks very good------I'm amazed-----no nutes until recently. I start seed in vermiculite cups and ~350 ppm (.7) nutes-----worked well for years. It seems there is a very large nute strength "sweet spot" for cannabis. Perhaps that's why some growers run upwards of 1000 ppm...

I agree with nothing to worry about with the leaves. I don't agree about water only now-----why would you want to do that? The indicator I use to tell if nutes too strong-----leaf tip brown = no stronger. I don't see any signs on your leaf tips. Remember: With that 400 watter you're only...

Very nice GroErr, 47 pages late to the party. I really like the bud structure of the blue dream----look forward to the smoke report of those beauties. cheers, A~~~

Hey HDS, Congrats on the "Skunk works"----- big improvement over 1st round. Curious about the final yield (weight). Have you decided on a plan of attack for the next round? Still planning to switch to LEDs? A~~~