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Here is my legal medical grow: I am using: - Happy Frog soil with 20% added perlite. - Fox Farm nutes. Both liquids and soluables. - T-5 for clones and seedlings. Currently and temporarily being used as side lighting. - 1000 watt Metal Halide for veg. Using a SunMaster Cool Blue bulb...

How do you guys water and/or feed your plants? Feeding by hand takes a life time. I got watering down. I store 25-30 gallons of RO water right outside of my grow room in a trash can. The 'reservoir' sits on a table and there is a valve in the bottom. Gravity pushes the water through the...

The perlite on the surface of my soil is turning green. Is this algae or something? Will it hurt the plants? Is there a way to prevent this/fix this? Thanks in advance RIU. +Rep for sure for helping out.

One of my dad's friend's told me about this. But he is the type of guy that tells you about a lot of shit, as in he never shuts the fuck up. So I usually take what he has to say with a grain of salt. But if this works it would be cool. He claims that if you put smoke into a frosted mug the...

My grow is in a building that is neither heated nor cooled. It is insulated, but thats it. So far my air cooled lights and fans have been able to keep it cool enough. But come winter I think it will get too cold. I think I have a solution to this without buying heaters, but wanted to see...

When using RO water is there another additive you need to add on top of the nutes? CalMag or something? I've seen it mentioned in passing but can't find any definitive info on it. I just hooked up my RO system and plan on starting to use it tomorrow. So if anyone can answer it would be much...

When I was younger and had no responsibilities my hair was dreaded. It was fucking awesome, I loved them and as an added bonus surprisingly so did most of the ladies. But eventually I had to grow up, and I sold out to the man. I cut my hair real short and had to start wearing a suit everyday...

Has anyone ever used bugs higher up on the food chain to control pests like spider mites? There's a hydro store down the street from my house and they sell lady bugs, praying mantis, and one other predator bug. For $20 you get 1,200 lady bugs and for $8 you get a "case" of praying mantis eggs...

At what age do male plants start producing pollen? What's the window of time I have to pluck the males from my garden before they start spraying their stuff all over my pretty ladies? How many days/weeks from introducing a plant to flower do I safely have to pull the males?

I am putting the finishing touches on my grow room and I have a quick question about air-cooled lights. Do you want the air to flow in from the side with the socket and out the other end, or vice a versa, or does it not matter. Do I want the air to flow like in crude drawing 1, or crude...

I have a question about bulbs, that I really need someone who knows to answer. I will be forever grateful. I want to know if these bulbs really worth it? SunMaster 1000w MH Cool Deluxe Bulb They cost a little bit more and put out a lot less lumen, but they are supposed to give off more...

How much yield increase can one expect from using co2? How much does it cost to set up and run it? I want to know how quickly one can expect a return on their investment of co2.

It's something we should all know anyway but especially now with primaries coming up and what not. What is our local politicians stance on marijuana. In this thread share where you are from and what you know about your local politicians. Sadly I am a bad citizen and don't know much about mine.

This is my first grow for myself, by myself. I have helped others grow. This is my passion, I am both a scientist and stoner at heart. First my grow room. For all you visual people, I drew a half-assed sketch to help me explain. (Please note that the loft of my grow room is not 733...

Has anyone ever ordered from growlights.net? How was your experience? I want to get one of these for my veg room: http://growlights.net/item_description.php?IID=86

I don't understand the appeal of auto-flowering strains, could someone explain to me why so many people like them? Especially with an indoor garden, why would you want to lose control of when your plants flower? I guess I can see why some people would want auto-flower seeds for an outdoor...