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The swings in co2 is to not Inhibit the rubisco enzyme I believe A poster on here suggested I believe to have the controller kick on at 600ppm and rise to 1200ppm,he was the one talking about rubisco activase I believe. I've heard many suggest lower rh for increased resin production and less...

Many growers cut down co2 to atmospheric levels the last 2 or 3 weeks to help trichome maturation as co2 can/will inhibit ethylene production which will cease trichomes maturing. What ppm do people reduce co2 levels to and for how long before chop. Atmospheric is around 400ppm no (slightly...

Would you suggest exhausting What's your thoughts on co2 inhibiting ethylene production late flower, atmospheric levels during ripening phase?

Have you got any sources for enzymes ceasing to break Down sugars below 63%, really interesting and concise information is important instead of the usual pseudoscience that gets banded around

Do you not risk clogging the stamata spraying everyday. I was told every 3 or 4 days to avoid this...?

Lower rh is often touted as a technique to increase density however you may find it inconsequential after curing and water content has regulated. I'd be interested if someone could shed some light.

I'll bump it to 1400's during heavy fruiting phase running f&d iws with co2 supplementation and you'll still see the ec drop

I know ethlyene prohibits the maturation of trichomes. What other ill benefits will ethylene cause?

What piece of tech are they using to analyse what nutrient the water is deficient in? V. Interesting

I'm considering the switch from de fixtures to leds and being "uninitiated" in the led field this thread was perfect, thanks op. Your comment is comforting as I hope to achieve similar yields and quality with the same wattage in the flower room. Currently run perpetual in a iws f&d/dws system...

Currently have 4 1000w de fixtures and 2 600w Current have 4 1000w de hps fixtures and 2 600w. Run a perpetual in an iws f&d/dws hybrid system with co2 enrichment and harvest about 20 pounds every 10 weeks. My main query is, will yield and quality be comparable with a top end led fixture of...

Are leds comparable to hps and cmh nowadays? I know the main drawback is cost but when I was still plugged in it seemed most commercial grows were still using sodium bulbs and led commercial grows we're very niche. Can someone give me a breakdown of the major cons of led. It seems the biggest...

Should you reduce co2 levels down to atmospheric levels towards the end of flowering, as increased levels of co2 prohibits the production of ethylene, vital in the maturation of trichome? Also foxtailing is new growth and thus immature compared to the rest of the calyx and its purported that it...

So currently am using shooting powder weeks 5-8 along with bud XL weeks 3-8 but am getting horrid foxtailing. Suffice to say I plan on switching to moab however with a 0-50-30 ratio its (to my. Understanding) undesirable to have higher levels of p during final phases and something like big bud...

The Philips bulb comes in a 942 (4000k) and a 930)(3000k) Using them in veg and obviously the 942 is better with more blue but when I was running the 930 they looked alot more robust and generally bigger. I know the increase in blue in the 942 will keep them squat and promote side branching but...

I have like 10th generation clones and I top them with great results. Massive bushes! Although on the first pic they look fairly close together I'd probably let them new nodes grow a bit maybe pinching the stem of the tallest one and letting the auxiliary stem even out. Then top both of them...

Due to the large reservoir I only dump after every 10 week run. Sacrilege I know, but there's always lush an green up until harvest. I apply nutrients pro rata every time.i top up one of the res'. I have a separate bloom room that has a separate reservoir. I've just been on the growth technology...

Well this run I added about 10% recommended dose of the pk. I agree I've done my due diligence when it comes to flushing I tried a side by side once but no more, I'm a week or two from harvest and there still lush and green. I'm.currently at 2.4 ec. The a and b I run is growth technologies. Are...

I use the air pots on veg in a f&d. They are very good for my purposes as it means I won't have water sat in the residual water at the bottom of the flood table whilst still having an excellent root system. I also use rhizotonic which breaks up the dead root matter into beneficial bacteria as...

I change mine at the end of the perpetual cycle which is 9-10 weeks as the reservoir is 3 200 litre butts that constantly recirculate between each other and the water chiller. Essentially a modular flood and drain. I know this isn't good practice but it would be too expensive to change the...