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2500 PPM is about 5.0 EC Very high, but if you really push 2000 ppfd and use CO2 that EC is reasonable. But... Look at your plants... To me they are over N and burning slightly The burn is not increasing fast because most of it goes to budding at those rates of transpiration I've gotta say...

I would drop the RH or raise the temps You want 29-31c at canopy (60-80RH) in veg and 27-29c In flowering (50-70RH). reducing it again at late flowering after the budding has done it's course to even lower then 22-24c (30-50RH) if possible (it helps with trichome formation and mold issues)...

Thrips baby Probably not many that's why you don't see anything odd

600 ppfd is low, for every stage. That's not the problem. Plants can coup with a lot of light even from seedling (observe nature) But they need the proper environment to thrive and make use of all that light Environment is also the medium/feed you use, not just RH and Temps. Make sure you...

If your water is too harsh (1.3 is crazy hard from tap) You should use RO and learn about ratios, no way around it My tap is 0.65 and sometimes it burns young plants very slightly As long as your not above 0.7 your good Anything above that is a problem indeed.

Huh ? Most A & B Solutions are not meant to be used with RO water unless you supply more Ca and Mg alongside it. What are you not following here ? @JHake take your friend with the tap water, does he have the same issues as yours or does his grow is more streamlined ?

A & B ferts are not enough with RO water to answer Weed needs in a high pace environment (indoor), I mean they are but not a complete enough package Most of them depend on tap water inputs. Weed is Mg and Ca hog. Mg is basically the core element in plants. Iron in humans. @Farmer's Hat I grow...

Btw the thing about this genetics will react like x and this will react like y is only true to a small extant, once you have everything dialed, you should see a very small variations between seeds if any. Unless you grow some extreme landrace seeds indica or sativa Most hybrids today grow more...

Listen RO water tend to screw a lot with your grow if you don't know how to make a proper solution that contains every element in the proper dose When you grow with salts, go with tap water or learn ratios and nutrients first. Also you can do EWC with RO and have good results but you need to...

Nice, that shit happens sometimes, happened to me on a Terple plant, the whole top was "bleached" sort of speak, I smoked that too and got a slap in the face The rest of the plant was ok mids nothing fancy but that top... Was killer indeed.

Mg deficiency will slowly "burn" your tips and plant, it looks like too much feed but actually it's not enough You water with RO that's the first culprit why your plants are not getting enough Mg All your problems are nutrients related as each of them depend on the other to move and do their...

People mostly report bunk from those packs which is expected, they are S1 of a 1st generation plant, not even 1% stabilized. Good luck with those :)

It's just environment related, not a strict rule, at summer I put the glass on, winter I take it off. win-win ;)

By all means you can use the CMH you have already, but you are giving up on 50% more light That's a big factor in tents, especially with not so big hoods, especially if you plan to take them down in performance further with cooling them The only reason it's worth buying a new ballast and bulb...

There's a 10% reduction in performance when you air cool bulbs, that's about it CMH and MH don't emitt UV, even though intensity appears in their range on the Spectra maps, UV is very short waves, they dont travel far, also the glass jacket is filtering most of the UV so UV is not a reason to...

The margins between being exactly on the VPD number or in the range of that number is so small, it's really going after the 2-3% difference if any.

Even planes have a simpler interface lol You don't need to follow VPD so tightly, you just need to remember these basic rules At any given time, veg or flowering: High Temps - High RH Low Temps - Low RH Good luck :)

Maybe because drying is much more easier in real life than what people make of it on forums ? I just hang them and make sure RH is 50-55 and heat is not above 24c. After a week they feel dry from the outside of the bud I take them off the stems and put them in paper bags (each run I have 50+...

People who buy weed for 100$ oz and call it fire Should take a smoking sessions with the true elites one day, you wouldn't last. 85$ oz at the dispensary hahaha, let me guess, it's fire ? There's just too much new smokers who don't have a clue about this game Most of them grow cheap genetics...

This is a nice cover story people like to tell themselves, nah bro, demand for weed never went down, only up, the buds are just not worth the prices of old times, period. I used to buy 10 grams of Purple kush for 300$ and I was happy because that was killer dope that got me tripping for at least...