I made a diy cardboard drying box as I wasn't sure if I just wanted to use the tent or not but the fact I'm growing different strains right now it made sense to have a drying room of some sort.
Now tbh best way to dry would be in the open space on steins across whole room, others use tents etc. But the only way to get rid of the smell 100% is with an ozone generator of commercial scale. They aren't cheap. For a small grow this is ideal. A friend gave me some tips when they built there's and total cost was under 20 quid.
I asked around for some boxes and my brother had just moved and left behind a cardboard wardrobe. These aren't that expensive to buy either but free is cheapest.
Because I'm into shibari, I already have a ton of ropes and strings so again free but not that expensive if you go to the pound shop and get a reel of string. You want a reasonable thickness so it doesn't tear the cardboard.
2x carbon filters for cat toilet trays eBay for a couple quid. Or shops for more but you get more material.
Power source, 240v adapter for sky router or equivalent. Free as I just cancelled the subscription to sky.
2x 120mm. 12v PC fans 4 quid each on eBay. So for me I've only spent 8 quid
Some of this you can find in the streets before bin collection. Or have laying about but if not. The total cost would be around 25-30 quid (UK here sorry)
Tools:
Screwdriver
Scalple or crafting knife
Firstly you wanna make sure your box is strong so reinforce it if necessary and use a good glue.
Next you wanna make the holes to thread your string through
Next make the cut outs for the fans and then one additional opening at the bottom for ventilation
Splice your adapter to power both fans but don't attach yet. Better to wait till it's all together first.
Next you want to feed your string through whether it's many lengths or just one it will take some time. Don't pull too tightly as you want some slack so the structure doesn't break apart and collapse in on itself (remember I said to reinforce it if you have too)
Mount the fans the correct way so it pulls air out and place the carbon filter panels on the inside so the air is pulled through them. Hell if you really want too you can add a speed controller depending on your fan strength, I have not...
Last but not least you need to put a net or a stocking type netting across the passive intake. Make sure there is enough space at the bottom for a fan and a heater if necessary. Air circulation is as key here as it is in the growing process. It may be worth investing in a dehumidifier as well to aid in the drying process. I haven't tweaked it yet as I'm only on my first grow but if done right it should dry with no smell. I'm gonna chuck an ona neutral gel in it too to help odour reduction. Whether in or outside the box I don't know. Possibly just next to the intake.
Hers the finished product took me about 3 hrs baked off my head and misplacing materials haha
Still jot quite finished as I have to pin the filters to the wall. Trying to choose a material for that. And whether I want to double or triple layer it or make a diy filter. But it's simple and easy to setup. Though it's not much more effort to put it into a cabinet tbf
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