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After completing my second grow i decided to move it into the loft, the house has limited room. The loft isn't insulated and the cost of doing that is too high so i want to build a small insulated room about a meter cubed. Here is my plan and hopefully you guys can give me your opinions. I...

Ok i need advice on mother plant lighting. I am growing 6 bonsai mothers, i want to take 10 clones from each one every 7 weeks. What kind of wattage should i use? Will a single 125W CFL work, or should i get the 250w HID? I already have the 125W CFL so would prefer that than spending more money...

Ok i have canna coco and GH nutes. I'm confused about the feeding schedule, some have told me every day, others tell me every other watering and more still tell me 1 day nutes, 2 days plain water. I just planted my rooted clones and i'm new to coco so kind of worried i'm going to kill them...

Ok so i did have an RO system until someone decided to steal it from our garage along with the lawnmower and other tools (scumbags). Before i buy a new one i was wondering about my tap water. It sits around 160 ppm which is i think medium hard. Can i use this with the lucas formula? I have soft...

I know SoG is usually done with lots of pots, but can you plant multiple clones in a single pot for a SoG grow? Like could i grow 4 plants in a 25x25cm pot and use 8 pots in a room? coco being the medium.

I need some advice on coco. I am deciding on which system to use, so gathering information. If i do a SoG with freshly rooted clones in 1 litre pots using coco, how much water will they need per day? I know ambient temperature and other factors come into it but a rough guide would be handy...

Ok guys i'm trying to decide which way to go with my new grow so i'm asking some questions to work it out. I know the question "how many plants" has been asked a million times but i think this is slightly different. I want to try a vertical grow using clones that have rooted and been...

Ok i'm doing a new grow, i have a choice between 2x600w sodium lights for flower or 3x400w. Which of these provides more lumens?

Ok guys i just finished my first grow, 600w HPS, 4 Vanilla Kush in compost and I pulled 488 grams, happy about that. Now I want to grow a lot of different strains as my friends and I all love to try new stuff. However i'm concerned the nutrients won't match the different strains, causing...

Ok i have a sputnik reflector, it's one of the air cooled reflectors. Anyway the bulb i have (600w metal halide) is touching the metal of the reflector. Is this dangerous? Or not something to worry about? Thanks.

Ok so i have a problem. Today i had a power outage for about 2 minutes, these are quite common where i am, maybe once a month. Obviously this leads to hot strikes of my lamp. I looked at one of the UPS products but they're seriously expensive. So i thought maybe instead there is a product...

Ok i need a bit of information from anyone who has one of the 11 litre WILMA pots. The quoted size is 25cmx25cm. Does this refer to the top or bottom of the pot? I'm designing a DIY system so i need this figure from someone please :) Thanks in advance!

Ok i'm looking to grow these two strains, chocolope and super lemon haze. Can anyone tell me the expected final height of both strains? I'm growing under a 600w air cooled reflector. They're not being LST'd or scrogged or anything, oh and i'm growing in soil with organic nutes. Thanks.

Ok bit of a strange question i think. I have a carbon filter, it came with the grow room as a kit, the room is 1x1x1 meters (roughly 3 feet square). I also purchased an ona block and i thought i would test the carbon filter with it. The smell of the ona block came straight through the filter...

Ok i need help from anyone with plumbing experience. I want to vent down the sewer. The soil pipe in our house runs down an outside wall, i can't connect a vent to the bottom of this pipe but i can cut into it in the attic (plastic pipe so no sparks). The pipe sticks out the roof i suppose...

Where i live it is difficult to find large plastic containers that are suitable for growing. The only ones i have access to aren't food grace and the shape of the lid makes it difficult to drill holes as the plastic just splits. So would it be ok to use pond liner instead? What i mean is...

Hey guys i'm new to rollitup and i wanted to introduce myself. I am gonna grow my own stuff because i found out what i've been buying is laced with glass! The grow journals are awesome.