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That's a clever flood and drain system.

You want to do your second option: measure out a liter of water and have at it with 3ml of Grow. Good luck!

Your closet is really tall, so you can probably get away with just venting the closet. If you're able to vent to an attic, you might be able to get away with this fan: http://www.htgsupply.com/Product-6in-Inline-Duct-Fan.asp That fan will probably cool the room well enough, but you won't be able...

I'd go with the t5 fixture. It will be a lot easier to fit into that cabinet.

Could be light burn from the spill. I've had some light burn from foliar feeding at inappropriate times; it causes holes. Usually the holes are brown around the edges though. Keep a close eye on the area. If you notice any new holes, the other posters might be right...you might have a...

This has mostly been said already, but I wanted to show a new grower some support: 1. I can't install a exhaust fan cause my small grow is in a cuboard with a 250 HPS. **Look into a PC (axial) fan. They lay flat and can be installed easily in tight spaces. 2. when I see my first bladed...

http://www.htgsupply.com/Category-DIY-Ballast-Kits.asp If it's a magnetic ballast, you can probably rebuild it. If it's digital, it's most likely trash now.

You could get Nirvana's Indoor Mix for around $26 from the attitude. Or pick up a 10 pack of regular AK-48 seeds. They're very forgiving for new growers and can be grown rather small. I started with bag seed and wasn't disappointed, but getting getter genetics from the start might make life...

Hey Guru, great post. My question is this: when the hygrometer is in that 60-65% range, so you stop regularly opening the jars?

I'm not using worm castings in my mix, so MsBBB's answer is the one you should go with.

I'm using almost the same mix, and to answer your question, no. My guess is maybe a seed got in during the planting. The compost they use to make these soils is pretty well fermented during the composting process. It's unlikely a seed would have survived that process. But I guess it's not...

You can see in my avatar picture where these plants will show sex. Unfortunately, I can't tell from your picture. You appear to have calyxs showing. If they have 2 white hairs growing from them, they're female. If they're balls, it's male. If you think it's a male, wait a few days just to be...

That first picture looks a little male, but it's blurry. Could you try to take another picture from that angle?

How are you making that great looking hash? Iso hash? Bubble Bags? Any particular brand or size

First, ask the store if you can exchange. It never hurts to ask. If that doesn't pan out, good exhausting of the box will help a lot.

Check out this product: http://www.atlantishydroponics.com/Reflectives-Components-and-Lighting-Accessories/Sunlight-Supply-Sun-Shield-for-6-Ducting.asp In a tent, it's probably overkill, but if you're having heat issues that ventilation hasn't helped, some insulation might help.

For your size box, you only need about 100cfm to scrub the air. With your 435cfm fan, you'll want to get a fan controller; this will keep from overworking your filter. So to answer your question, yes, you should be fine with a 4" carbon filter.

It's hard to tell from the pictures, so verify your problem before treating it. Your problem might not be mites or gnats at all...maybe it's something as simple as light burn from foliar spraying with the lights on.

Yes it will. The mix might be a bit strong. Start off at 25% of the strength they suggest, then work up. You'll have to experiment with what works best for your plants in your growing environment. My only hydro system now is for my mom, and it's just 3.5 gallons. I mix the amount of nutrients GH...

Start with NORML. Best of luck to you.