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    growing light green crystal marijuana without red hairs

    Hello, i was wondering if any body grows light green very crystally marijuana that has pretty much no brown or red hairs. Most people from alberta canada would know this type of marijuana as "hemp star". i just finished cropping out two different strains. one was white widow crossed with big...
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    Recycle water and nutrients or drain it off

    Hello I have a 96 site rockwool set up split into two separate rooms of 48 sites each. Each of the rooms has thier own 125 liter reservoir and I am at the point I'm the drainage system building were I can either design it to drain off or be routed back to my reservoir to re-use the water. My...
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    Completely sealed grow room ventilation help.

    Hey greenthumbsman Your plants needs fresh air if you are not using c02 so if your Ac unit is not bringing the temp down because your exaust fan is pumping air out you could turn the fan around to bring in fresh air and use your portable unit to exaust old/hot air. This way you can leave your...
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    Completely sealed grow room ventilation help.

    Okay thank you much for all this information you have given me and for taking the time out of your day to answer all of my question. I am going to veg 50 at a time abd split the drain system.Your advice has helped me tremendously and will improve my setup without a doubt. I will upload more...
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    Completely sealed grow room ventilation help.

    Yea the bloom count is 96 and the reason I wanted to be able to do it all at once together is because I built the tables low leaving me with 5 feet between the lights highest point and the base of the rockwool cube. Because I built the table and drain system so low the water in the reservoir can...
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    Completely sealed grow room ventilation help.

    I know this is getting really off the forum topic but I really appreciate all the advice everyone is giving me. Especially you CG. What do you think about having 6 mothers under 3' x 4' of t5 and then on the opposite wall have 3 shelves. 2 of them with 2'x4 of t 5's for veg and one of them with...
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    Completely sealed grow room ventilation help.

    Okay I like your idea with the shelves. The space not including the bulk of the window cover is 80" x 100". Do you think I would have enough room to pump out 100 plants ready to bloom every 40 days with that space. The 2' x 4' 4000 lumen 6500k t5 setup says a growing area of 4' x 4' can be...
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    Completely sealed grow room ventilation help.

    yea i want to keep the big room for bloom and use that nook for the mothers and the veging. how many mothers do you recommend for 50 trimmings at a time and do you think that i would have enough room for the mothers on the ground and the shelves on top of them? previously i was thinking of...
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    Completely sealed grow room ventilation help.

    okay thanks for the help, i seriously over looked the actual process of starting and was so concentrated on table size and atmosphere. As you can see the set up would be difficult to convert into a multi room setup so i would like to stick to sog and get some mother plants going to feed it. i...
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    Completely sealed grow room ventilation help.

    Okay so I was slightly confused on sog. I can't start from clones. So I was wondering if I start from seeds is it possible to go from flouros directly to a 12 hour cycle and do you think that my canopy will be really un even starting like this?
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    Completely sealed grow room ventilation help.

    I was thinking about using just four inch exaust for the lights but CG makes a good point on the last light being hotter than the first. As for bringing 8 inch ducts into the room I think that it will be a no go. I need to keep construction to a minimum. The house needs to stay as is as...
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    Completely sealed grow room ventilation help.

    okay thanks for the advice. I have on order a 30,000 watt 18 seer lg mini split heat pump system and i am gonna be running 8 light not vented with a co2 cylinder and dehumidifer. do you think that the unit i bought is big enough for no light venting? the room is 24Lx14Wx8H. would really...
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    Completely sealed grow room ventilation help.

    Any body have any opinions on the adjusts wings or the grostar parabolic reflector?
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    Completely sealed grow room ventilation help.

    And before I go purchasing bare build reflectors does anybody see 8 1000 watt lights to be too much heat for a 30,000 btu 18 seer Ac unit. I know that rule of thumb is 3500 btu per 1000 watts making 28000 btu but I just want to make sure no body has objections before I continue with non venting...
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    Completely sealed grow room ventilation help.

    Thank you all for all the advice. I was a little confused on the install of the Ac because I was watching videos of people making the lines with ridgid copper and copper flare/cutting tools and what not, I did not know that you can buy 25 foot Pre fabbed linesets and the way the videos made the...
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    Completely sealed grow room ventilation help.

    Okay mine of Pre charged as well. So pretty much use the factory 25 foot line without size modification by making a big loop at the external unit? I'm slightly confused on this because I thought that you needs to supply and route your own copper piping For the fluid. Do these type of units come...
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    Completely sealed grow room ventilation help.

    Yea I have already purchased one but it says in the install that if your lines are less or over 25 feet you either must remove the r410a or add it. Now adding it is simple with the r410a cylinder but removIng it requires the use of a very expensive machine. Did your hvac unit not have the same...
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    Completely sealed grow room ventilation help.

    One more question for you. Did you have someone install your Ac unit? I have checked how much all the parts would be for installation and nitrogen leak testing as well as a vaccimm pump for evacuation of the lines but the part that I don't rink I will able to do is recover the proper amount of...
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    Completely sealed grow room ventilation help.

    Yea that's a good idea I have a 6 inch fan kicking around I just didn't want to be pumping enough hot air out off that 4inch tube to melt all the snow off the side of the neighbors house (a little fishy). Up to this point the room has absolutely no way of being detected other than the power bill...
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    Completely sealed grow room ventilation help.

    Oh I see, okay well I went with a 30,000 btu LG 18 seer and now I'm debating on getting 4 inch air cooled shades and vetong lights with outside air and smaller 4 inch can fans to also help but I would rather not if the Ac unit I bought is good enough for bare bulbs
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