Grampamark Posted July 5, 2018 Share Posted July 5, 2018 Hello, Just describing my grow room to you guys. The room is 26 feet long x 8 feet wide x 8 feet high. All the walls and ceilings have been covered with plasterboard with polystyrene backs. I have then covered walls and ceilings with silver foil. I have LED lights. 6 in total set up 1 x 300 watt, 1 x 600 watt, 1 x 300 watt, 1 x 300 watt, 1 x 600 watt, and 1 x 300 watt. I have a 6 inch ventilation fan built into the wall bringing cool air in from the out side, then a 10 inch fan sat next to this to blow the cool air through the room. I have a 8 inch air filtration extraction fan to take the inside air, outside. Then I have another 12 inch fan at the other end to blow air around the ladies. I also have a industrial hot air/ cold air fan that I can set the temperature to what ever temp I need at various times of the year. I have set the watering system up as follows. I used 3 lengths of box guttering joined to together and zip lined to the top of each growing pot. I have then drilled small holes in the guttering above each plant pot. I then just add water via watering can to the start of the guttering and when it runs down, filters through the drilled holes like a sprinkler. Saves disturbing the ladies and moving the branches and leaves around to much. Worked well for me so far. Never had a problem with humidity, and never let my temps get above 78. I have now been set up this season on 12/12 for 10 days. So the ladies are 80 days old as of today 5/7/18. I set my lights to come on at 8 pm to 8 am. Then during the day the ladies don't get to hot. Especially so with the heatwave we are having of late. I do 3 grows a year with this setup. 5 Link to comment Share on other sites More sharing options...
Larry Badgeley Posted July 6, 2018 Share Posted July 6, 2018 (edited) Would have been much better to use Mylar or brilliant white paint than silver foil Edited July 6, 2018 by Owderb Quote removed 2 Link to comment Share on other sites More sharing options...
Grampamark Posted July 6, 2018 Author Share Posted July 6, 2018 4 hours ago, Larry Badgeley said: Would have been much better to use Mylar or brilliant white paint than silver foil I used brilliant white first season, and I find the silver foil much better. But that's just my opinion. Link to comment Share on other sites More sharing options...
zztopbudz Posted July 6, 2018 Share Posted July 6, 2018 Bro , silver foil is for cooking with, its reflectivity is shit and it causes hot spots like a magnifying glass in the sun and will reflect heat back and can burn plants . Plus its dangerous as it will carry a current if something bad happens with your lights or condensation on the walls . Mylar or plastic black and white aint expensive now at all. Orca film , which is supposed to be the best is still a bit pricey granted. But white paint is more reflective than silver foil . Plus they are all plastic coated for your safety . do you know how cheap you can pick up mylar for now? good luck anyway zz 4 Link to comment Share on other sites More sharing options...
Muppet Posted July 9, 2018 Share Posted July 9, 2018 A tenners worth of blk/white would sort that space easy. 1 Link to comment Share on other sites More sharing options...
Grampamark Posted August 14, 2018 Author Share Posted August 14, 2018 I never priced the stuff up your talking about. Just tried the brilliant white paint the year before and with no great success. So thought I would try the foil and see how it went, done ok with it this year. But never thought of the electric shock element of it though. I will get this grow out the way and have a look at this mylar. I never done it to save money, cost not a problem. I just thought this was way more reflective than the dulux extra bright white paint I had previously used. Thanks guys I will take a look into this and some other options. 1 Link to comment Share on other sites More sharing options...
stu914 Posted August 14, 2018 Share Posted August 14, 2018 14 minutes ago, Grampamark said: dulux extra bright white paint Needs to be emulsion/flat not gloss as this also produces hot spots like foil........... 2 Link to comment Share on other sites More sharing options...
Whatdafeck Posted March 7, 2019 Share Posted March 7, 2019 I think foil doesn’t reflect the full spectrum of light unlike the colour white. Link to comment Share on other sites More sharing options...
Joint hogger Posted March 7, 2019 Share Posted March 7, 2019 cheap white emulsion is better than foil which would be a pita to put on the wall. Link to comment Share on other sites More sharing options...
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