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    60ow hps or 400w mh

    I need to veg some plants and I have a 600 and a 400 available. The 400 is too small to cover the area I need covered sufficiently. This is only to grow mothers under. Is it better to use the MH or to use the 600w HPS because it produces more usable light?
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    Deficiencies. How do I Fix This?

    I am desperate at this point. I don't understand what I am doing wrong. my plants seem to be getting worse. I flushed them for 36 hours with just ph'd water. Since then they have been in 65 degree oxygenated recirculating water at 5.6-5.95 ph. the ppm is 1200. I feed GH nutes at recommended...
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    Nutrient Problems? Bugs? Help!

    So this grow I am doing has had everything that could go wrong go wrong. But, I still have about 40 plants alive. These plants aren't looking too hot. I'm not really sure what the problem is. Ph is at 5.8. PPM is 975. temp is 68 night, 78 day. water temp is a little high at 72, but I now have...
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    Exhaust and Carbon Filter Question

    I have a 7x7x8 room with 2 600w lights in a cool tube. The room has a vent from the central air in it. I have a 720 cfm fan for the cool tube. I also have a 720 cfm fan for the charcoal filter I have that is rated at 800cfm. What is the best way to run these fans and charcoal filter. I can cut...
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    Help! I Don't Know What This Is

    I have some weird leaf curling on some clones. I have a dwc container with 40 plants in it. about 10 of them are showing these signs. There is also some coloring that I couldn't get to come out in the pics. Some of the leaves look almost blueish and have white on the edges. I also have one...
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    2400watt vertical grow. Super Lemon Haze and The Church`

    Hey everyone. I have 17 plants going right now. They were all started from seed from Hemp Depot on the 25th of January. They are SLH and The Church from Greenhouse Seeds. The plants are just starting their 29th day from seed. I started them in paper towels and out of the original 20 feminized...
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    Carbon Filter questions

    I am building two 6x7x8 flowering rooms inside of an 1800 cubic foot room. I would like to buy one filter and put it in the large outer room. I don't want to exhaust that air anywhere, I just want the filter to scrub the air clean. Will this work? And how big of a filter will I need? Edit- I...
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