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Hey, sorry for not updating the progress of my grow room recently... some work came in and i just couldn't say no. :D I’ve been doing things to the grow room when ever I've have time.... I can't really do anything major to it at night when I’m home in case the neighbours hear... (just being...

yes it it flexi dryer ducting i'm using... reason being, the route it has to take would be nearly impossible if solid ducting was used. i realise the resistance is greater if flexi duxting is used but if pulled tight enough the ribs are nearly flat... i actually constructed a DIY cool light...

p.s. There's so many screws because there's been so much insulation squeezed into the cavity! had to use that many to hold the plasterboard against the frame...

Day 5 Wired in all sockets and added a few extra... definitely got enough sockets now for any future plans!! :D Fitted the remaining framing around the top of grow room which will house the light ballasts and now extraction fan. Fitted insulation for sound deadening on front face of...

Thanks for that Hairy Bob... my mistake about the negative pressure, i read it somewhere and it stuck in my head as that. Never really thought about the meaning until you explained it there. sound daft, i know. Cheers! :D I’ll go with the calculations i have at the minute for the extraction...

thanks guys! :D i figure if a jobs worth doing, it's worth doing properly! i've got a few weeks to spare so might as well make something thats going to last. plus it's helping me get rid of all the spare materials i have from previous jobs! :D i realise there'll be a lot of people who...

glad it helped you... :D when buying a fan from grow sites they don't give you info like that. i actually started off researching the physics behind air extraction for my grow room as i knew the suction wouldn't be the same as what the supplier specified after I'd attached my filters, lights...

Day 4 continued created a frame for the doors (it's easier to fit them square this way) and then fitted the top door to the grow room... pics below...

Day 4 constructed top and bottom doors using a wooden frame, clad with 6mm ply on both sides and insulated for sound reduction with roockwool. pictures of this can be seen bellow.. kinda step by step pics. :D

Day 3 fitted ceiling and cut access hatch to allow access to light ballasts (they're going to be fitted above the grow room, on top of the ceiling) filled screw holes, all joins and internal corners with suitable flexible sealer. once the doors are fitted a draft seal will be set around...

how do i allow people to see my picture when i post a message/thread??? can't seem to find any options to allow this.

more pics will be posted shortly :D

Once the room are complete they will be virtually airtight. I’ll have an air inlet fan which forces 160m3/hr of fresh air into the rooms and an extraction fan which will remove 350m3/hr of used air out of the rooms. (the formula i used for this calculation is underneath) It's important to ensure...

ahh.. i get ya! :D thanks!

hmm... still confused then...

just thought i'd share with you as i finally found what i'd been looking for... :D:D it basically gives you a formula for calculating the required air flow of a grow room whilst taking into concideration other factors like lights, filters, co2... Dan's Method Calculating By Room...

yeah but what is that activity based is? obviously it's a percentage of your use but a percentage of what?? so the orange is is your rep? you increase this when people give you rep for reply's and questions you ask? ?:D

at times, not every time some of the plants leaves wilt slightly after watering... they soon pick up and return looking healthy within a few days. the only thing i can put this down to is over watering... i follow the rule of watering them until i see water come out of the bottom of the...

roger that! thanks for the info... very helpful! :D

Have a few questions... At what age must a plant be before you can clone? Does it matter what strain you are growing? or Is it based on the quantity of veggitive growth for the actual plant you wish to clone? thanks...