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These are extremely overpriced. I see this on ebay for $400 and up. This is insane since they're essentially really just standard Chinese plurple lights. For $400+/- you could do much, MUCH better, like something based on Cree, Vero, CLU etc. COB lights. Trust me, not saying you couldn't grow...

I have a HLG-240h-C1750A (71V - 143V, 875 - 1750mA via internal pot) but now I would like a HLG-240H-C2100A: (59V - 119V, 1050 - 2100mA). The wattage is obviously the same, only the ratio V:C is different. My reasoning is that the PCBs might be the same of all the HLG-240H, and that just a...

I have three bottles of the classic GHE Flora Trio, which are now about 3 years old. GHE on their site says that the shelf life of GHE Flora is infinite, as long as they're stored right. (Which I am sure I do. I store them at room temp, in a dark place) I notice a rattling when I shake the...

Yes you live and you learn, but what did you expect from a growlight for €60? I had two of the 300W, this is a loooong time ago. With one I had to replace LEDs myself (MH sent me the LEDs :) since the LEDs burnt out very quickly. The other unit oddly enough was fine. (I still have the lights in...

TBH I have no idea about the perfect depth for seedlings (maybe someone else knows), I usually put them 1/4-1/2" down. Other seeds, like peppers, from what I know I just barely cover with soil.

Let me add something here: When I had this problem, sometimes even multiple spraying, saliva etc. DID NOT HELP. What helped: Keep your seedling under a dome (foil, transparent cup etc.) until it has shed the shell. (If it hasn't, spray/water...then cover with a transparent cup or foil). The...

If you had a bug infestation, i'd also look into why you had it. If you had fungus gnats (because I see the yellow sticky traps), they're always due to overwatering because they live in moist soil. Re: bleach, I don't think it should be a problem...but you could also look into H2o2 (peroxide)...

People, and this includes myself, have spent A LOT of time identifying deficiencies, like it's the most important thing to know what exactly the deficiency is. IT IS NOT. Why? Because in almost all cases, be it some type of def (or toxicity), regardless what it is, the solution is the same...

I am using Neem oil extract (Azadirachtin 3.2%) and insecticidial soap for the longest time already, but today I did found some info that might interest you if you're also using Neem and/or insecticidal soap for spraying: * When you use a Neem product as I do, a Neem oil concentrate with 3.2%...

I don't know where I picked this up, I think it was on a site for growing hot peppers. Could some mild stress on the plants, such as not watering for a bit give them better taste and potency? (Or in the case of peppers make them hotter, as was claimed). Has anyone experience with this? Ty!

You may be right there, but the question is how the vermiculite plays in there. Because vermiculite (AFAIK) does store nutrients, unlike perlite or coco. So it is not an "inert" growing medium. When I look up Hempy buckets, which are often done with 50% perlite/vermiculite, their recommended pH...

I am growing in a DIY substrate which is (roughly) 3 parts perlite, 3 parts vermiculite and 3 parts coco coir. What puzzles me when looking at these usual nutrient pH range charts for weed is the "flip" of the availability especially for Ca(lcium), which in hydro is like 5.2-5.8, and in soil...

What should I do? Leave it like that with my small fan blowing over it to strenghten it (as I do right now), or bury it a little deeper to cover the green part on the bottom of the stem? I have no idea why it grew that strange with that hook at the bottom. Otherwise the plant seems "stable". I...

9 out of 10 times you don't need to pick, it comes off anyway. But if it should really stay on for a day or two too long, SPRAY the seedling carefully a few times with water to make the shell soft and then carefully pull it after 10 mins or so. If it doesn't slide off easily, spray again. Don't...

Yes this is possible. It CAN well be that despite the 30% Perlite and the mix "out of the bag" being very fluffy that the mix holds moisture longer than I want. (Which of course could mean increased risk for all sorts of problems). Can't say yet, have to wait for some root growth.

So I did ONE stupid mistake in the beginning: Having been very eager to put my seedlings which are in (tiny!) rockwool cubes into the new mix, I was not waiting until the seedlings reached some good size. (I basically put them in the pots as soon as they sprouted). What happens is that the...

This was just for two small/medium sized autos....a 10L bucket to mix was a LITTLE too tiny, so I dumped it all in a large trash bag and simply mixed with my arms,.Many times I also re-use these very large bags that commercial potting mixes come in, also to store stuff like perlite, whatever.

There is very little information on this, IF AT ALL, with the exception of some shroomers who use Coco/Vermi for cultivation. I have never ever anyone seen making a mix of coco coir WITH VERMICULITE. And Perlite added for drainage/airation. This is really extremely odd since on paper...

Same. Using it for MANY things, from cleaning bongs to cleaning my PCs, cosmetics, general disinfection. etc. Almost daily. Never ever dumped any away. Usually you put some on a paper-towel or similar, and the towel then goes into the trash, the alcohol evaporates. So I think the problem of...

This actually makes total sense!! Thanks all!