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I have a 8x12 flowering area and have wanted to install drain pans for a while now. I currently have plants on caddies which is nice but I'm not fond of squatting to feed them. I decided to DIY after seeing that it would be the best way to get exactly what I wanted. Each pan draining into the...

Fairly new to soilless but long time grower. Currently in a sealed room, 74 degrees, 1000 PPFD, 850 ppm CO2, 50% RH. Some strains (AK47, Purple Punch, Gelato and a few others) do fine. Other strains (Blueberry Cookies, and now Zkittlez) produce almost no trichomes. I'm using Pro-Mix HPCC...

I'm seeing flashlights with "XHP360". Tried to look them up on cree.com but nothing. Are these Cree products that are only being made available to Chinese flashlight producers? A Chinese knockoff using Cree's nomenclature?

Long time hydro grower, wanting to perpetual in soilless media. I'm phrasing the question as the differences because I've kept my mothers this way for a long time and learned to keep them healthy. I limit the feed to about once a week at 500-600 ppm and PH to 6.9-7. I was PHing to 6.5 but would...

Something I haven't seen talked about much, thought it would make a good thread. This is for photoperiod plants obviously.

More specifically, what is the ideal age of the genetic material going into flower? How much difference does it make?

I started three seeds. Two are female. Two weeks later the third plant isn't showing sex. Will something happen eventually or do some seeds never show sex?

If you have eradicated a mite infestation, give a short explanation on how it was done. Infestation #1: limited to veg area. Used Doktor Doom (pyrethrin) fogger and then repeated 3 days later. Problem solved. Infestation #2: In perpetual flower area. Can't fog so have been using a pyrethrin...

I bought a bag of Mega Crop single part, just playing around with the numbers. Looking at the two part I think it will scale well through flower. #/#/# is ppm in a gallon 4g A and 2g B yields 103/55/228 4.5g A and 2g B yields 106/62/256 5g A and 2g B yields 108/69/285 Using Single part and...

I just got my first bag of Mega Crop, excited to be trying it. I have read that they tried grinding the little balls and it somehow made them more difficult to dissolve. Not sure how that works but... They do tend to find themselves huddled together in the mix. Is this something I should be...

Any LED fans from 2015, you remember plenty of naysayers. I was at the grow shop yesterday and chatting with the owner. Another customer mentioned he was using LED and I was a lil excited, asked him what brand. After he left I said to the owner, good to see some peeps using LED. He said...

I had this happen once years ago, then a few months back and now it's happening again. At around 4 weeks when the buds are popcorn size I'll notice a few red hairs. A few days later it's obvious they're maturing and not gaining any more size. Between week 5 and 6 they're ready for harvest. So...

MK Ultra. It needs a ton of PH down to keep it in the right range. I'm talking +20ccs a day in 7 gallons of solution. If I only adjust once per day it will get up to 6.9. I have same plants from same mother in a different location and no notable PH issues. The plant in question looks healthy, no...

Thought I would drop this tidbit of wisdom here. Until recently I always used Maxigro/Bloom for hydro. I had compared it with other brands years ago and didn't see much difference if any and Maxi series is cheaper. Only thing is, no PH buffers and in a 24 hour period the PH can go from 5.8 to...

I've been away for a while. Was just rummaging through my stash of parts. I need to build a lamp for a 3x3 tent. I have Vero29v7, 150mm pin fin sinks, HLG 300w driver so everything I need. But it's been a while and I'm wondering what would be a high end build at the moment? I still have 200w...

So the timer broke and I didnt catch it for about 2 weeks. I'm wondering what to expect if I put those plants on 12/12 and restart the flower cycle. Or would it be better to start with fresh plants?

An idea I'm playing around with, curious to know if anyone has opinions on this setup. Currently I'm using a 5 gal bucket rez gravity feeding two 5 gallon grow buckets with bubblers in the grow buckets. Works pretty good but I'm not super happy with the PH swings and it's a PITA to...

It's listed as a 1 part, but without a pk booster the potassium seems really low. Anyone use it alone?

So I've had mixed success off and on with clones/cloners and think I have addressed every concern with this design. Items needed: Black 1 gallon bucket Air pump Air tubing Air stone (2" round black or 4" blue) Neoprene inserts Azos powder PH down Each bucket should be able to support 5 clone...

If we see that the various photoreceptors are at work creating the Mcree curve it would not be difficult to explain the shape which is a mix of symmetry and asymmetry. The 580-680 range of the Mcree curve isn't exactly smooth, but the relative deviation is minor, even for the 660-680 range...