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    Designing budget greenhouses (light assist) for 2 crops a year in Maine!

    ive been recently mulling over design and buildout parameters for greenhouses on our small property to max out my caregiver plant counts (78 flowering plants). the idea would be to use a hoop bender jig and make some 12ft-16ft wide hoop houses using double inflated poly coverings for insulation...
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    MedicGrow Fold 8 760w Samsung Diodes 8 bar fixture? $589 US shipped free, BETTER DEAL THAN MEIJIU BAR LIGHTS!?

    Has anyone seen this thing? Shipped out of the US? looks like samsung LM301z plus diodes, 4000k 90 CRI. i think it has over a 2k diode count. https://medicgrow.com/products/fold-8-led-grow-light https://www.cocoforcannabis.com/grow-light-guide/medic-grow-fold-8-par-test-review/ Par Test...
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    GrowGeneration entering LED market with a 720w bar style with osram LM-80 diodes

    Anyone see the email? What do we know about osram LM-80 diodes? Wonder what the price point will be and how these compare to the growers choice or mammoth type US distributed lights
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    LED grows and foxtailing buds.. common trait in all LED grows?

    I've noticed that in almost all of the LED grows I've seen on Instagram and here on the board heavy foxtailing buds. Is this just a common trait with the spectrum and light that we use in comparison to HPS?
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    Co2 usage 2x 16kw 25x25 625 sqft rooms? 50lb bottles/tanks

    Looking at having airgas come out and deliver/exchange for me using 50lb bottles. Any of you guys have similar size room? How much co2 do you use? No not interested in a burner generator.
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    Refinance home mortgage with large indoor grow old? Appraiser visit

    Anyone ever deny an appraiser entry to a garage or basement due to an indoor grow? Wondering if it's gonna be possible to refi while rates are low with having a full basement and garage build out underway lol 16x lights in the garage and 16 in the basement with 2 100a sub panels in each and I...
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    Chinese LED light manufacturers and the truth about what diodes / bins they are using lm301b vs lm301h

    It has been said on the board recently that chinese LED light manufacturers are lying about their claims they are using genuine LM301H diodes or "Top Bin" LM301B diodes in their lights. Of course it would be a simple matter to claim they are using lm301h diodes or top bin lm301b diodes since...
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    HVAC requirements for sealing room using Quantum boards?

    With 1kw DEs the typical rule of thumb is 5k btu per light. If your running dehuey and co2 burner then it goes to 6k btu per light. With LEDs like 288 boards what is the typical rule of thumb for sizing HVAC? I would have a room with 58x 240w lights so 13920w total LED lighting.
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    24'x24' room 16x 960w China bar lights in 5'x5' VS 29x china 480w qb288v2 boards in 3.5'x3.5'?

    So you're a budget minded medical caregiver grower with a 24x24x11 room trying to swap from 16x 1kw DE's to LED's. Do you spend 6600 bucks on 58x 240w Chinese 288 (Meijiu custom Folux boards with 100% 90cri LM301b Diodes) boards to light up 29x 3.5'x3.5' squares at 40w/sqft or do you drain the...
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    Meijiu, GeekBeast, SF4000 controller options in a mid-sized 20+ lights grow op?

    Im looking to outfit a room with roughly 20-25 480w quantum board type lights. what have you guys utilized for controlling these LED's? is it possible to control dimming and light cycles on these types of lights? do the meanwell drivers have 0-10v inputs on them for control?
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    Basement buildout, HPS DE vs 315w CMH vs chinese QB led? 7.5’ ceilings

    I have the oddly shaped room you can see in the attached pics and im trying to maximize footprint canopy and yield in this room. i already have a bunch of phantom 1kw DE’s on hand but im second guessing running these versus going 315w cmh. i could run 12x 1kw DE’s on 5x5 footprints or 33x 315w...
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    propane heater in a vented non sealed 24'x24' garage?

    anyone running an indoor type 30k btu + propane heater in their vented/non sealed grow? night time temps get into the 40's-50's and with the cost of Electricity in new england a propane heater may be the way to go. will there be any added benefit of co2 generated via the combustion? what...
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    Charcoal carbon scrubber alternatives?

    Looking for a commercial size piece of equipment to combat the odor? Anyone using plasma generators or agriair type units on their exhaust?
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    cheap chinese 1000w DE with usb or rj12 interface?

    does anyone know if there are any gavita or Phantom knockoff 1000w DE's that can be controlled with the Autopilot PX1?
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    Low - Mid pressure (150-160psi) Patio Fogger / Mister for humidity?

    anyone using one of these 150-160 psi mid pressure patio foggers for humidity in their indoor grow? I currently have 2x 12 disk foggers at about 1.6 gph each. this only raises my rooms humidity from 20% to about 25-30% due to the air flow volume through the room. Has anyone used the patio...
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    Nanolux 1000w DE CMHany users out there? Reviews?

    i will be bringing another 12kw room online soon and im hoping to get reviews or user experiences with these Nanolux lights. they have a low frequency square wave 1kw DE CMH and new bulb design. looks like a double jacketed dual 500w arc tube bulb. Any measurements taken with these bulbs/fixtures?
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    Broad / Russet mites or something else?

    What does this look like besides looking like sh!t? I'll scope then tonight for russets
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    making edibles with 6 lbs of spent trim/popcorn?

    What are some rough estimates of strength/potency calculations for expended or previously extracted trim/popcorn buds? I have about 6 pounds of trim and popcorn buds that have been thoroughly tumbled in a dry sift tumbler to extract as much trichome heads/kief as possible. i now have about 6lbs...
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