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I have a grow that didn't do very well. After 6 weeks of flower it looked about 3 weeks in. So, I re-vegged it and after 2 weeks it doesn't look much different. Is it too late? Do I get rid of the plants? Thanks!

The air pumps I use for my DWC are 5L/H. Someone told me that the optimal amount of oxygen is 1:1, so for my 50L reservoir I would need 10x as much. What's the truth?

Ever since I started growing in Hydro, I've been getting mealy bugs towards the end. I've read that you can use Neem oil but not in flower. So, how do I get rid of them?

So, I have taken apart a small fridge and now I'm wondering what to do with the condenser coils (the part that gets hot to remove the heat). Am I just supposed to run a fan over it and put it on the wall?

So, the last plant turned out to be male. What about these two? There's also the possibility that they're hermies, right? The idea was that I'd figure out whether they were male or female by flowering them. That way, I could return them to veg and use them as mothers. So, I need...

I've got a large AC but since the temps have gone down in the past month it's not necessary and it's kind of suspicious to turn it on. I know there are dedicated water chillers but they're really expensive here ($500 and up), so is there anything you guys use to chill your water besides that...

I've got three plants flowering in a closet with a 120w LED. I think two of the plants weren't getting enough light, so I moved it closer but they aren't getting better. Any ideas?

If I get a 1000w bulb and run it at 50% or 75% will it last longer than if I run it at 100%? I'm curious because I've already got a 1000w ballast and 1000w bulbs are roughly the same price as 600w bulbs near me.

It seems like the PPM in my reservoir goes up after leaving it for a few days, instead of going down. Using R/O water with a PPM of ~35 and nutrients to raise the PPM to 400, the PPM is now 800 in one reservoir and 1,100 in the other. I put the same amount of nutrients give-or-take in both...

So, the GHE feed chart says to add 2.5ml of all three Flora nutrients per 10L for veg and up to 15ml of each per 10L for flower. This is in hydro. Lucas formula says to add 21ml of Micro to 10L of water and 42ml of Bloom. That's almost 9x as much nutrients. Have I missed something?

So, first time transferring plants from soil to hydro. Everything is set up the same I also do hydro-wise. DWC with an air stone and RO water. 400w MH on top. After about 12 hours, it started to look a bit.. crusty. What's going on?

It's a simple DWC setup. Reservoir pumps water through PVC pipes. Everything was going well until the summer came in and I started using the AC, but I can't see any reason why that would have affected anything since temps are good. 25C all around and 26C in the reservoir. I feed them Lucas...

I ended up having to take clones about 6 weeks into flower, and thought I would post my results. The cuttings rooted within 2 weeks like normal. It took a while for the clone to find its footing again and re-grow leaves, but after two weeks it looks perfectly normal. So, all in all, it...

Been 50 days since flowering and these buds haven't grown in size. What could be the cause of this?

So, for the third time this month, I've had to replace my entire system because this white gunk has clogged up all my pipes. What is it and how do I get rid of it? Thanks.

Due to high humidity, my buds don't seem to dry. Or at least they don't feel dry. To test this, I left them to dry for a week and weighed them at 41g. I then turned on the AC until they were crunchy dry and weighed them again at 36g. That's a 12% decrease in weight. So, it seems like I...

The last few grows my wet yield and dry yield have varied wildly. Three grows ago, my wet yield was 2,120g and my dry was 612g, or 29%. Two grows ago, my wet yield was 2,025g and my dry was 779g or 39%. Last grow it was 2,547g wet and 562g dry or 23%. This grow it was a whopping...

Anything I can change up?

I've not seen any Magnesium or Calcium deficiency but everyone seems to think Cal/Mag is a necessity. My hard tap water is ~350 PPM. My soft r/o water is ~50 PPM. If I use hard water, do I still need Cal/Mag.. or do I need less of it? How do I figure this out?

My plants have been flowering pretty fast so far. But the last week, not much has happened. The buds on some of the plants are still airy.. Did I do something wrong?