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My phone is broken right now and can't take pics. I did raise the lamps but the things are stretching so fast I check them in the morning and when I come back 10 hours later after work they've gained at least a couple centimeters in height and sometimes more. These monsters doubled in size in 10...

Something strange I've never seen before. I have 4 plants 9 days into flowering and I've noticed that the very top leaves closest to the lamp are losing their green. The rest of the planet is completely healthy, nice green vegetation and the plants are growing about an inch to two inches a day...

Yeah. I used it already. I went by my local auto parts places but nobody carries anything bigger than a 10amp :(

The fuse in my ballast has blown, no big deal except I can't seem to find a replacement locally and having a hard time knowing which one to buy online. All I know is it's a 15amp 250v/125v mini fuse. Will any fuse like this work from radio shack or wherever? If not, does anyone have a link to...

Well, here we are at Day 20, 1/3rd of the way there! The plants are just super happy and thriving. They're already getting their first hairs and stretching for bud production. I took a bunch of clones of these three and 5 clones will be going in on March 1st. 20 days later, 5 more clones of Girl...

Oh wow! I just started GSC XTRM from Amsterdamn Seebank and got this and was driving myself nuts trying to find what the problem is. Just the tiniest spots on the bottom leaves but otherwise the plants are healthy and thriving. Glad I read this! Thanks!

Oh the distance the pump pushes is 1.5m horizontally, and maybe a few tens of cm vertically

Well the good news is that the plants seem to be recovering from their root pathogen incident. They are thriving again and while the brown roots are still there, they are rapidly overwhelmed by fresh new growth. So the plants are fighting it off much better now that I have changed things. I...

That settles the debate then. The bottom leaves have yellow spots and are wrinkly. Assuming it is rot what are my options? I can cut off the infected roots. There are a good five inches of healthy root from the crown. I can keep changing rez, keep using subculture b, and hope for best...

Well I just changed the rez and reduced it down to one.

I guess there is nothing to be done but continue to change the rez water regularly and monitor the situation. It's possible a pathogen attempted to colonize and the plant is fighting it off.

Teaspoon my bad

General hydroponics Maxi grow. 2 tblspn per gallon and subculture b. Nothing else. I always used bubble buckets. First time with nft I feel like newb again. Lol

I'm not sure what it is. It only affects the roots actually touching the nutrient film. Roots not in the film stay white and healthy. It doesn't stink and it doesn't seem to be spreading. I tug gently and the roots seem strong as well. But the plants show just the most minor of nutrient...

Root rot or nutrient staining? Geez. Every day I check my roots and up until today they were perfectly white, I came home from work and checked the roots and two of the plants have brown roots starting. There is no odor and the individual root strands look healthy and the plants seem happy...

I've read about this. I think they call it "Deep Flow" technique. I didn't think about a dam though. I'm not sure I will need one but I will keep it in mind for sure.

Root Rot is a big reason why I decided to go with NFT. My bucket bubblers became so much work that I couldn't keep up with the changes as often as I should have and root rot set in. I fixed the problem but it cut my yield in half. Sub culture B is miracle stuff as far as I'm concerned. Those...

^ This. I start seedlings with a full load of nutrients right from the start. Never had any problems over fertilizing. The plants can only take up what they will use.

How many weeks a flowering are you in because I don't see any nugs on that plant and if they have been flowering for 2 months they should be about done. Those look like they haven't even gone over to 12/12 yet. They look pretty healthy. You are going to drop leaves from the bottom all the time.

Possibly pass on to me these potential issues? I'm under a bit of crunch with this one and it absolutely cannot go wrong. So if there are potential issues please, by all means let me get some warning first. lol I always used bubbler buckets, this is my first NFT system and I'm pretty much just...