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I am planning too swap out my 400hps with 4 Cree 2530's and need help With finding the right driver. My thoughts are to buy 4 of https://www.amazon.com/gp/aw/d/B013CP30G0/ref=aw_wl_ov_dp_1_2?colid=1HGMCE8RSGCIX&coliid=I2BOQU36E7SZ2D. Wanted to get the riu approval before I made a mistake...

My cab is size is 30"h 30"l 25"d and I am looking at the 135w UFO. I know this will be sufficient but I see for not too much more I can get a 300w led. Would this generate to much heat? I'm using a few small 120mm pc fans for cooling. With such a small space would I notice a difference in yield...

Setup: small cab (24"dx24"wx40"H) with 4 x 4in passive intakes. 170 CFM inline fan pulls air through a 3" cool tube and pushed down into the carbon filter. I had the door open and I put a blanket over the door. after an hour I came back into the room, and the blanket was completely sealed over...

New strain and Im having problems after putting into flowering. I suspect this is from over-watering. it a super silver haze two weeks into flowering grown in coco and perlite. I give her water about every 3-4 days and give her half strength humboldt 3 part nutes. ph was 6.2 when problem first...

Cab size: 15Hx24Lx24w Current light one 42w CFL After vegging six plants for 4 weeks they push about 3-7 inch depending on strain. I want to conserve power for the flower cab but have atleast a ten in plant at the end f the 4th week. Clones are cut at about one inch. Do you think adding...

I am a very small scale grower and would like to brew my own compost tea. From what I've read you either need a compost pile or worm bin. Is it possible to use store bought worm castings? Will a big bag of worm casting last more than a year or would I have to throw it out after a month? My...

I bought some new strains from Almighty Pick n Mix and one of my plants, the veins in the plants are yellow with disfigure leaves. It doesn't seem to affect the growth and besides its appearance she doing quite well. I don't PH but I haven't in a long time. just some distilled water and 1/2...

Budget - 100$ Medium - Aero/DWC Light - 400 Watt Digital running agromax bulb(not included in the budget) Grow Type- Sea Of Green Yield - 700g = 1.75/gpw Credit - Kief Treez -(thanks) dimensions are 3w x 4h x 3l it has a stationary "tunnel" shape at the top to allow even light distribution...

Ive been having problems with my clones, probably a 95% kill rate, Ive read the books and searched the internet but I can't see what I'm doing wrong. I have 4 moms about 18in tall all look healthy. I use alcohol to sterilize a pair of scissors. I only cut about 1-2 inch clones at a 45 degree...

I have a small side kali-mist grow under 209 watt CFL's (104w 6500k and 105w 2700k). I've thought of replacing it with a small metal halide but was wondering the difference in UVB they emit. Ive seen color intensity charts but none speak of UVB. I also saw "Reptile bulbs" claiming 10% at 10$ a...