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I'm no expert but a 6" fan/filter sounds like way to much cfm for a 2x2 tent. I have a 4x4x7 and the 6" inline fan was imploding my tent like a black hole, even with the bottom vents open and the controller set to low. Loud too. Now I'm using a 4" inline fan/filter on medium speed with two 4"...

I'm not that far ahead of you, 1st DWC (turned RDWC after week 3) and learning more almost every day. I'm on week 8 of my feed schedule which means I've just started my 4th week of 12/12. I really didn't have my tent dialed in until about 3 weeks in but now it's kind of on cruise control apart...

One thing that's worked for me was to cover the tops of the net pots with reflective HVAC tape. My light was heating up the black plastic and in turn heating up the water. After I covered them with the tape my temp dropped almost 10 degrees lights on and the temp is more constant now. I use the...

Back before they had xray for people at the airports I was flying coast to coast and at the layover I went outside to smoke a cigarette. The thing was, I had crotched an 1/8 of some weed before going through security at the first airport and then put in in my carry-on backpack after I got...

If anyone knows where to find more information about the science behind this, as far ions and how different elements react within a solution, I would be really interested to learn more about it.

Thanks, I'll stick to that then. I had to get into it today a little just to try and eliminate the moisture between the leaves issue but I'll hold off on anything major for another week. I was thinking that I might try my hand at monster cropping if it gets too crowded.

I've got a defol question. I'm 15 days into 12/12 and I've got a miniature forest goin' on. I've already defoliated, what I would consider to be the most I could do, twice now and 3 days later I'm right back to where I started. I know the veg growth is going to slow and stop soon but I've got...

From your last pic it looks like your clay pebbles aren't up high enough to block light out of the bucket where the roots and nutes are. It's my understanding that if light hits the water there will be more potential for bacteria growth, and I think I read that the roots don't like it either. I...

My compliments to the Chef, glad to see them doing so well. I found this extremely useful chart as I was surfing through RIU. It's not mine, I just saved it for easy reference for my dwc.

Insulated ducting helped eliminate some of the wind noise for me. I ran 25ft of 6" insulated ducting for my exhaust and I can't hear sound from the far end. I still hear it where I have regular ducting connected to my filter in the tent, but it seems a little quieter there too.

Been here for a minute but skipped over this in my pursuit for knowledge. So officially, what's up RIU! This site has been where I've spent most of my time researching so far. Lots of great threads and helpful members. I dove head first into a 4x4 tent RDWC with a dual 315 cmh. A few problems...

Ed Wynne's (Ozric Tentacles) new album "Shimmer Into Nature" Awesome garden music! https://www.youtube.com/playlist?list=OLAK5uy_msBFOMXdAATg66k7DKgmiVA9JaqDdh4PQ

Here's my 4x4 with a dual 315 five days after the flip to 12/12. I've had the light a steady 24" from the tops since they were about 6" tall at 1st week of veg in the tent. The only thing I've changed light wise is the dimming. Started at 60%, couple weeks later 85%, and now it's at 100%. The...

There's definitely a learning curve starting out. Going from reading articles, forums, and books to being able to tune in figure out what your girls need takes a minute. I screwed up my first five seeds in the 10 hours I was at work because I thought it'd be a good idea to give my sprouts a...

Definitely doing a bigger res next time around. I'm not sure how I feel about the Vita Blue either, can you recommend something that does the same thing without the coloring?

New growth looks good, it's maybe a little lighter green than at some points but I think it's ok. Everything is growing like crazy since the res change the other day so I'm thinking I might have f'd up the mix the week before.

The Vita Blue stuff is thick, brown, and has a pretty strong smell to it. I was just looking at them pretty closely and they're not slimy. Everything smells fine and it looks like nute coloring to me, my first go at hydro though it's really only a guess. They've taken in over 100ppm of nutes and...

My res. temps stay between 62-68. They were getting into the low 70's until I covered the lids with HVAC tape. Looking now they seem to be getting a little more brown to them. Rot? Fuck, how do I fix it?

Mostly white with a little brownish tint that started after the first feeding so I figured it was just coloring from the nutes.

Hi everyone, This is my first grow and I'm starting to have issues with leaves so I thought I'd seek out some experienced hydro growers for advice before things go crazy. I'm growing out 2x GG#4 and 3x Cheese from Canuk seeds. I think I might have went a little hot on the first feeding but have...