Gquebed
Well-Known Member
In water... i vegged at 800 ppm, which seemed not too bad...and in flower i took it up to 1100, which is when i started seeing probs...
So what is that on ec? 1.6 to 2.2?
Whatever happened to...
- Thread starter Gquebed
- Start date
So what is that on ec? 1.6 to 2.2?
WeedSexWeightsShakes
Well-Known Member
I am doing my first grow with 2 4x8 ebb & flow tables.
Using all LEDs as well my temps get up to as high as 88 and humidity seems to be around 65-75.
Running around 600-700 ppms in my res.
Growing with reused sunshine mix 4 and extra perlite
Using all LEDs as well my temps get up to as high as 88 and humidity seems to be around 65-75.
Running around 600-700 ppms in my res.
Growing with reused sunshine mix 4 and extra perlite
whytewidow
Well-Known Member
100% dead on. When I first started using Epsom few years ago, switching from calmag bottle. I kept getting both deficiencies. And couldnt figure out why. And that's exactly why. I started mixing it in before with straight hot tap water. Then adding whatever else. Then fill the remaining with cold water, and PH.
whytewidow
Well-Known Member
Veg 82-84ish/55-60rh
Flower 86/64-68rh
And that seems to get the best growth rate for my area. But under leds until you get the temp right, you're going to constantly catch problems. Under leds and higher temps the plants transpire nearly twice as fast. Use more food. My 2gals drink 3/4 gallon a day in veg. And in flower they chug 1 1/2 gallons a day during the stretch. Then settle back down to 1gallon a day. Until flush.
whytewidow
Well-Known Member
@Randomblame has a great vpd chart. That's already converted for whites I believe. It's the one I use. But if I upload it, it's all blurry. Maybe he can upload it for you in here.
WeedSexWeightsShakes
Well-Known Member
How often you feed?
I have my tables setup to feed 1/2 hour after lights on and a hour or two (forget exactly lol) before they’re off.
Figure I ran run lower ppms but feed twice a day.
I have never used epsom before tho. Megacrop seems to do the job.
Gquebed
Well-Known Member
At 86f how low can my rh be? I doubt i can get it up to 60%...
lukio
Well-Known Member
im really clueless when it comes to that kinda set up! EC does sound high, guess that depends on nutes and base water. hope you resolve it, man. chatting to a guy in another thread about his led/full hydro set up, he pulled crazy weight check it out - ""6lbs, 9.25oz using 1550 watts of COB"
https://www.rollitup.org/t/exotic-genetix-future-chocolate-oranges-big-smooth-cob-led-gas-lantern-routine.940610/page-5
and hes thinking about starting a new diary with his new grow " I'm using about 3400 watts of cob over a 6x12 canopy and I should end up with about 14 pounds."
hope he does cause he's real good grower
Warpedpassage
Well-Known Member
Hells yes!! Ill pay to see that show. That dude works hard, clearly has passion for it. Hydro setup, leds, alternate lightling schedule. And killer yields to boot. Thanks for the link
lukio
Well-Known Member
InTheValley
Well-Known Member
Bro, your better off warming up some RO water, and not tap, because your hot water tank contains lead. Same reason to never cook with it. Just letting you know. I know it might be just a tiny bit, but lead is bad. I do the same, ( warmed RO water for my megacrop. ) but ive found letting it sit for 5 minutes, it dissolves pretty dam fast anyways.
82-84 Veg and 86 Flower, am I reading this right?
-----
On day 57 (first grow), struggling to keep the temps below 28. Late veg, early flower and mid flower were at 29-32°C.
Also when you guys say 30-31 is fine, do you mean ambient or LST?
Any tips for late flower? Trying to maintain 28 or below, RH is 60-70 lights on and 60-65 lights off. Went from 12/12 to 11/13 a week back and now at 10/14, was getting too hot by the end of lights out.
Gquebed
Well-Known Member
So 30c? Not 86f?
Is that the canadian in ya? Lol
Ill give it a try this round. But it scares me...lol
And ppm range at that temp? For veg and flower?
Also, i imagine epsom salts would have a dramatic effect on ppm?
What ratio to mix at?
InTheValley
Well-Known Member
man, mine hate over 80F and 55%RH. They dont even like par above 450, and thats pushing it. If i reduce mine down to 400par, they pray almost instantly, with 48%RH and 78F, is what they like the most it seems. I keep my tops at 18 inches, and only use 200 watts. If i turn it up, at 18 inches, to full 300 watts, i get 700 PAR, 10 inches under direct cob, is the 1000par mark. they just dont like the intense light. I run 12/12 from seed. The bigger plant was transplanted at 28 days from solo cup as a test, because ive been told roots dont grow in flower mode, but by the looks of it, they do very much grow, lol.. These are Luminus22.. The last pic is 95 par, 36inches from light as a test to see just how little they get and grow. The older plants are ShipWreck Fem seeds i made, and the smallers are my FireOG/Lemon Thai cross I made. I like to keep the 3000K at max 150 watts, with 50 watts of 4000K, for first 4 hours of lights on, then turn 4000K up to total 250 watts for 4 hours, then reduce back down to the starting watts of 200watts for rest of day cycle. Try to get that mid day peak i guess you can say. The GrowMau5 puck is on all day, then 15 minutes after lights out. This is my last run of these, then going to Cherry wine CBD.
InTheValley
Well-Known Member
O, and I use only MegaCrop, ( 550PPMs) new formula, once a week, Mondays is Recharge/molasses, and the rest is PH water. They all get the same nute values, tryin to see the burn threshold.
InTheValley
Well-Known Member
Something that is not talked about, that Ive not seen yet, is rest periods of low light levels. Plants love cloudy, dreary days sometimes. I have a tendency to dim my rig ALLLLLL the way down, to like 50 watts for an hour here and there, and they love it. Some days, I will reduce my watts down below daily average, and give them a break. They love it. I can see growth by the hour. And tonight, im going to drop my night temps really low, probably around 60-62F, with alot of wind, ( not direct )and 60% humidity. Just to get the colors to pop early in flower.
When you have everything in lock, like VPD, water, nutes, spectrum, INCLUDING EMERSON EFFECT, these plants dont need PAR over 450 with out CO2. If your using CO2, aim for 600par, no more. People are blasting the crap out of their plants, and they dont like that, unless its a high temp genetic. These plants have been breed thru and thru, and growers need to adapt, just like the plant had to. For a day, Gquebed, drop temps lower if you can, and pin-point it with the VPD chart Random posted. Aim for 76F-60%RH
*Shruggs, just an observation Ive made thru trial and error of my own genetics.
When you have everything in lock, like VPD, water, nutes, spectrum, INCLUDING EMERSON EFFECT, these plants dont need PAR over 450 with out CO2. If your using CO2, aim for 600par, no more. People are blasting the crap out of their plants, and they dont like that, unless its a high temp genetic. These plants have been breed thru and thru, and growers need to adapt, just like the plant had to. For a day, Gquebed, drop temps lower if you can, and pin-point it with the VPD chart Random posted. Aim for 76F-60%RH
*Shruggs, just an observation Ive made thru trial and error of my own genetics.
crimsonecho
Well-Known Member
I think you are going easy on them. They need to toughen up a bit. Mine never stretches that much under leds.
InTheValley
Well-Known Member
I thought so too man, but Ive put them right under the light, and they stretch crazy. The father of my seeds was 44 inches tall in 40 days, with the light right on top of it. So when i crossed it with the FireOG, which is a squatter plant, it slowed it down a bit,lol.. But it also goes with the pot size. If i put in a 5gallon, she gets thick, with thick branchin. Its just they are in solo cups, and they seem to bound up pretty quick. The father was a monster,
ttystikk
Well-Known Member
I'm using the scales people are most comfortable with.
I need to be in a Canadian...
Ppm sux. Use EC. Start around EC 1.5, adjust as needed.
For CO2, 1200ppm is fine.
Epsom salt, in spite of appearances, is mostly water and affects EC less than you might think. 1 gram per gallon is a good place to start.
whytewidow
Well-Known Member
No my hot hot water tank doesnt contain lead. Bc I have an thankless electric water heater. but yes regular tanks forhot water 100% have lead you are correct.