Does this really help to spread lighting? Am I at a disadvatage with a plain open grow room?
Yes. If you have photons escaping canopy you should try to redirect when possible. Nothing is 100% efficient at reflection but it’s significantly better than allowing photons off canopy.
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I started with mylar, but ive swapped to a glossy white board and it seems like its works better than the mylar.
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Wow big grow room.
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I think a lot of tent makers are going to start switching to white instead of reflective like they are now. Or at least offer the option. There is a nice brand in the EU that only uses white and it makes for a much better reflector.
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I ordered a $6 pack of 5 thermal blankets. Just taped to the walls of my closet. Don’t even clean it. Just pull it down and tape a new one or two up.
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That’s exactly what I’m using. We used to call em space blankets.
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Shoot it works! I have a 3’x3.5’ closet I grow in. I kept the liner to my old 32"x32" tent and have that on the floor. Lined the walls and door. Could probably tighten it up a little, but it works pretty well
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My bad I put this on the wrong topic. No coffee yet. Whoops!
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Needa bowl 
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Juuuuust finished. Capped it with a nice layer of mixed keif too. Carpe diem!
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I have always wanted to have mirror walls in the grow room, so it reflects everything and looks like a fun house and huge field of cannibis 
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I have read mirrors create hot spots on the plants. Flat white is what I reed is best. Would look like a lot more plants with mirrors though.
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