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Hope I'm not spamming the thread. This is what the seller for the second link responded: "In the market , Many manufacturer choose to use other leds,some is so bad. We use one big listed company's 302H bead which is based on Smasung 301H bead (use bridgelux chip), they called it 302H , high...

Also wondering about those...

Hello to everyone. I'm looking to add some supplemental lighting and I'm wondering if that one https://www.amazon.co.uk/FECiDA-Dimmable-Compatible-Spectrum-Greenhouse/dp/B08G563HDD/ref=cm_cr_arp_d_product_top?ie=UTF8 is a good option. Actual power draw is 120 watts and efficiency is at 2.2...

Yeah, I know I have checked them out...But it's a much bigger amount of money than what my friend can afford to give along with the extra tests. He has gotten a reptile UV bulb already. I'm personally interested in those bulbs for the "usual" reasons...Will definitely report when he completes...

I'm not the first. There is a thread in future4200 about that. But only one user reported doing it with success and measurements, albeit not giving any specifics. And he hasn't logged in that forum for over a year. It's okay for the whole range of cannabinoids to drop - my friend is looking to...

Just chop any male pre-flowers and keep checking it. I've had autos like that in the past, I would cut the male pre-flowers once, twice, even thrice on some of them and they would end up sinsemilla. Keep inspecting it - if they keep appearing and they spread in many parts of the plant, take this...

Hello to everyone, I saw that Maxibright recently introduced to the market a "new" bulb - a 600w CMH that can be connected to an E40 fitting and operate with magnetic ballasts. From the promo of the website i'm linking: Brand new from maxibright, for 2020, the maxibright cmh 600w agro 3k lamp...

Good luck with your project man, sounds interesting! It's a big downside buying new auto seeds for each round, especially if you are playing with SOG techniques. Autos are in fact more difficult to grow than photos. Everything has to be set for their first few weeks otherwise we run into the...

I've been making my own soils from scratch for years but each time I buy Biobizz All-Mix soil to cover the top 1 gallon - in fear of the soil being too hot or incorrect ratios. I should have just used the previous soils lightly amended as veg mixes and then amending stronger for the flower soil...

It's not a particular fertilizer that produces CO2. CO2 levels are increasing because of the breaking down process by fungi, bacteria and other microorganisms. Their actions produce CO2, much of it. Sorry for putting it that way, but for anyone who is interested type in Google search: malted...

Hello to everyone, I'm in a situation where I need to start urgently some autoflowers and I'm out of soils like Biobizz All Mix etc. With the lockdown here the only way to get them is to order them online since no growshops are open. Ideally I don't want to do that. I have a gardening soil...

Yeah i'm totally getting what you mean with the A/C struggling :P. You are saying that for the LEDS because your actual temps in canopy reach ~85 F with the HPS? Tell you what, i'm using CMH and there also a difference of a few degrees between room temperature and canopy temp.

Lol , I answered in your quote, sorry! Nice, what temps do you play with lights on during flowering and how many PPM?

Well, I'm saying that due to the reflectors. If he was playing with vertical bulbs it's much more possible it would be close to room temperature. The only way to find out for sure is an infrared thermometer pointed at the canopy. A really useful tool indeed. I'm also measuring temp of the water...

Have you measured the temperature at the leaves with an infrared thermometer? If the room temperature is 89 F with HPS in reflectors, guaranteed you have over 93-94F at the surface of the leaves. A temp range like that is a no go. Remember that what matters the most is the temperature at the...

I don't have an exhaust fan. I have an inline fan connected to the carbon filter which is set on the floor of the room. The inline fan with the filter recycles the air inside the room. I'm playing with autoflowers so the timer is set on 24/0 for the first three weeks and then 20/4, I have gotten...

I've used it in 4 grows so far and it's solid. Value for money really, I couldn't justify spending like 400-500 bucks for other controllers when I was starting the CGE game.

Yeah, I know that UV increases THC levels. I will experiment more with that in the future considering THC plants. But if UVB is used in bigger amounts closer to the buds than what is necessary, it degrades cannabinoids. You can check a thread at future420 considering that subject. My questions...

Propably converting to CBN late in the process. But my friend does not have these kind of luxuries. The longer he would wait, the more possible the corresponding state agency do their own tests. Imagine that he harvested at week 6 instead of week 8 in fear of THC going even higher.

Exactly, this is what i'm talking about. i'm looking for more information into that. What kind of bulb to use, what distance, how much weight can be treated at a time. I know that CBD will be degraded as well but I see no other option this is going to work out for my friend.