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You're looking at a 40cm carbon filter with Ø150mm intake (500-650m3/h). It's about 2 years old, but was only used for about 7 months. I want to know if I should bother doing anything about the dirt because it could be a hassle.

I finished growing some Sour Durban on the 18th. I jarred it after 8 days of drying and the higrometer said it was at ~74%. So I took it out for a while and now it's at ~71% and it doesn't look it's about to get lower than that. Could be that my higrometer is too cheap, but I really don't know...

My Sour Durban is on week 7 from seed. 250W 16/8h, soil is 13 liters of Canna Terra Professional (black peat, granulated peat moss and perlite, extra nitrogen) in a fabric pot. It doesn't look too great, I'll tell you what. About a week ago the symptoms started getting apparent and now I feel I...

This is Sour Durban, day 23 from seed, 250W MH lamp. They started to grow really fast in the last couple of days. This is only my second grow, so I'm not sure if should clip 'em now or wait a few more days.

I want to share a few things I learned while struggling to convert a regular 21 x 34 x 77" wooden wardrobe (with 2 leaves) into a growbox. The goal is to prevent ANY light from leaking out and preserve the wardrobe's appearance so that it won't look suspicious at first glance. I'll address a...

This is Gorilla Glue in Eazy Plugs, day 8. I water them with a few big drops 3 times a day. No light schedule yet, they're just in my living room. Do they look OK? I want to move them to plastic cups filled with Biobizz Light Mix and under my 250W MH lamp tomorrow or the day after. Supposedly...

I just built my first growbox (the usual: 6" intake and outtake holes, cooled hood, ducting etc.). It's 100% concealed and lightproof, but the 6" 36db inline fan is clearly audible and the noise would be suspicious to my guests (I rarely have any, but I don't ANYONE to know about my little...

According to most guides I should cycle air inside my cabinet every 1-3 minutes. Unfortunately, it's almost impossible to find a timer that can do this. Almost ALL of them are either: digital with only 10 (!) programs per day OR analog with 15 minute intervals. The only one that allegedly can do...

I've read this: https://www.marijuanapassion.com/threads/growfaq-electrical-section.1965/ So the takeway is that I need a contact relay switch to avoid frying my lamp timer. Three questions: - do they all look like this (box with outlets and a plug)? - should I connect everything like...

Just for the record - I have zero experience. I'm gathering info and making a checklist of parts I'll need. My growbox is a regular 21 x 34 x 77" wardrobe. It has those little holes for installing shelves at different heights. My idea is that I will install the lights + filter + fan + ducting...

I'm prepping a 21 x 34 x 77" cabinet with the usual "semi-pro" setup: - 250W MH (blue) and 250W HPS (yellow) bulbs + spares - 250W adjustable ballast - intake and exhaust (6" everything) - exhaust fan, carbon filter - air cooled reflector - small oscillating fan I *THINK* it should be enough...

So far all I have is a wood cabinet - 23" x 21" x 40" (58 x 52 x 100cm). White interior. The plan is pretty standard: - only 1 or 2 plants in fabric pots - one or two small oscillating fans (6" or 15cm) - 250W HPS 2100K 32000lm bulb - 250W dimmable ballast - air cooled reflector - exhaust fan...

Sup. I'm completely new to growing and I'd like to ask for advice. I live in a big apartment and don't get many guests, but I want to be extra careful. I'm looking for a strain that's: - not too smelly (I want to use one or two carbon filters anyway) - this is very important - not too big (fits...