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So this has actually happened to me a couple times now. Down in the water I have pretty nice roots, but above the water line I got rot. Has this happened to anyone else? How do you prevent rot where the water doesn't touch?

Anyone use anything besides hydroton? I hate the stuff it's so messy. No matter how much I wash it, it seems I can never get rid of all of that red dust. I've completely given up on reusing it, roots cling to it too well. In a UC the medium's water holding properties aren't a factor. We...

If you own a CO2 generator, what type of controller/monitor do you use with it? I am about to purchase a liquid propane CO2 generator, but I can't decide on what type of controller to get with it. Please share your experiences. What model do you have? How do you like it? I've been looking...

So here's the deal, I am planning on turning off my exhaust fans after lights off so my 70-pint dehuey can do it's job. My flower room is roughly 10'x15'x8'. I have 2 6" inline fans for exhaust, and 1 8" inline fan for fresh air intake, those are the fans that I am planning on turning off at...

Do all A/Cs rated at 12,000 BTU produce the same amount of cold air? Does a 12,000 BTU Window A/C cool a room as well as a 12,000 BTU Split A/C? Or do manufactures just kind of use what ever number they want and no one checks them on it. Here's my specific problem. Right now I have a...

So what all goes into renting a property to grow at? I've only grown on my own property, but honestly it's not made for it at all. I was thinking of renting a small warehouse or small old factory. Something with more space and power than I need. When you rent a property what kind of...

I don't know if this is necessarily the right place, but it does say General Indoor Growing. Does anybody know anything about maintaining orchids? I know they're kind of labor intensive and require nutrients, but that's about it. My grandma has an orchid, and I want to help her keep it...

So I am having heat trouble in my veg room, and it will be about a week until A/C is up and running. So if I run my veg light 1hr on/1 hr off for a total of 12/12 my plants wont flower will they? I already know they won't but I just want someone to verify, and make sure nothing else wacky is...

Poor title I know, but follow me and I'll elaborate. Take a good healthy female mother and take two cuttings. Flower the two identical female clones. Treat one with Gibberic Acid, and don't treat the other. Pollinate the true female with the GA treated hermie. Wouldn't the resulting seeds...

So I am curious what everyone uses for a scale. The prices vary so greatly, as does the technology. So post a picture of what you use. I use a old old old Metter Toledo. I have to imagine it has to be at least 20 years old. It has a 200g max with a scale of .01 (200*.01, is that how...

Never Mind I figured it out. Quite sorry guys and gals.

Has anyone ever used a BlueLab Combo Meter? I am having to replace my $80 Oakton pH meter after only 9 months. My PPM meter is cheap, and I don't really trust it, nor expect it to last that long. Although I didn't originally do it, I much rather buy once and buy right. Going through an...

... Damn spider mites are destroying all my trees. Not my mmj, but the trees on my property. Since I wouldn't let the mites into my grow they decided to take up resident in my pine trees on my property. So the top of the trees are turning brown. Have someone coming out to spray them since...

So I am assuming most if not all of us do it . So how do you do it and what do you use? I run 10, 5-Gallon bucket RDWC. I have been running a 10% bleach solution through the system for 12 hours, then running well water through for 12 hours. The problem with doing that is my well water has...

So I am planning on constructing a scrog out of PVC. I decided to go with PVC because it will be easy for a non-carpenter like my self to build a screen with adjustable heights. Having screens with adjustable legs will make them reusable for all my strains. Currently my room is well...

Are there any lights out there using the 7w diodes? I remember reading an article about them like 6 months ago. Was curious if any light has them yet,

Has anyone used this stuff before? I am planning on building a standard frame, and then hanging this instead of drywall. I am working around plants so dry wall is not an option (too much dust). This stuff seems better anyway. Here's a PDF about it...

oops wrong forum.

Does anyone know the difference between Dutch Master Zone, and Dutch Master Zone Gold? I'm using DM Zone Gold with Dyna-Gro nutes. I was just wondering what's the Zone in a black bottle all about. I couldn't find it anywhere, so I just went with gold.

Just as the title says, how often do you swap out your res? I heard someone on here say once at the beginning of flower, once in the middle of flower, and flush at the end. Three times from beginning to end. That's hard for me to wrap my mind around, since I change out my res on my DWC...