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I just put my photos into 12/12 lighting and now it looks like I’m having some potassium/zink deficiencies? They were looking great up till flowering. They have started to flower. I have yellowing/light green leaves towards the bottom and new bud sites and random leaves with brown tips as in...

What’s everyone using for a coco perlite mix. My current grow I mixed about 50/50 by volume but reading online everyone’s saying 50/50 by mass with hydrated coco. I feel like that’s going to e a lot more perlite then coco. I’m looking at my bag of perlite and it says it’s .75kg but...

I have been reading that you can’t over feed with worm castings as you won’t have salt build up. Is this true? And if so any harm in using it along with GH trio? Currently I water with GH and every second watering I flush with ph balanced water (6.3 for everything). I flush with 3g in a 5g...

Trying cloning for the first time. I took cuttings just above the first node from a couple plants I have in veg. I put in water right after cutting at a 45 angle. Then dipped into powder rooting hormone and put it into my medium. Pushed it in roughly 1”. First round about 6 months ago it took...

Who has had experience with which seed banks in Canada? Looking to buy some seeds online but do not want to ship over the boarder. Suggestions? Was looking at MJ seeds but not sure if there are others.

I am looking to get an indoor grow going through the winter. I just bought a 4x4 grow tent. I have a Dutch bucket style system going in it. Likely end up growing 4 plants in it (is an 8 plant system but will be to crowded and past our legal limit). My question is lighting. I read places you need...

So I posted on these plants already thinking either nutrient deficiency or over water. Leaning more towards nutes as I only water them twice a week and it’s been consistently above 30C here (around 100F for the Americans). I tried to do a flush and add my ph balanced GH nutes in 1/2 strength...

New to growing cannabis. Started with a few autos and a few photos this year. Photos are doing awesome and all but one auto is doing good. I decided to grow in a few mediums to see what I liked best. The one I’m having troubles with though is in a 1/4 perlite, peat, compost and manure mix...