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If your not sure about how much you wanna use, just bump it up gradually.. 635,735,835, etc...
Rush Limbong Growing Serious Seeds CHRONIC, ebb & flow
- Thread starter Rush Limbong
- Start date
Leaf cupping can be due to low RH or potassium deff. I highly doubt it's a deff though. You can always set a bow of water out to raise the RH. Usually don't see alot of low RH in a hydro setup.
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Chiefsmokingbud said:
my DWC is in a grow space with low RH and i do see the same thing as you RUSH
i think they are still growing fine though and im not too worried
this is the curl, its a bit diff to yours but i think both are related to the same thing
holla@yoboy
Member
rkrone said:my DWC is in a grow space with low RH and i do see the same thing as you RUSH
i think they are still growing fine though and im not too worried
this is the curl, its a bit diff to yours but i think both are related to the same thing
rkr, i dont think your curling is from nute burn, looks more like too much water, how close is your water level to your stem
sup rush, nice to see things progressing, did you work out your algae problem?
and you wont want to go back to soil unless you like, less yeilds and longer veg times. hydro does come with an arsonal of problems that dirt never has. but imo the speed and yields make up for that
Rush Limbong
Member
Hey everyone,
I know why my RH is so low...I got the fan hooked up to the light pulling fresh air through the tent and also cooling the light. It's too much air displacement for the size tent. I really ave no choice now though, got to keep my 1000 cool.
Sup holla! Yeah, the algae thing seems to be worked out...I'm also thinking I was smelling the hygrozme? not sure, but it's all good.
I know why my RH is so low...I got the fan hooked up to the light pulling fresh air through the tent and also cooling the light. It's too much air displacement for the size tent. I really ave no choice now though, got to keep my 1000 cool.
Sup holla! Yeah, the algae thing seems to be worked out...I'm also thinking I was smelling the hygrozme? not sure, but it's all good.
rkrone, yours looks like overwatering. Rush you even turned your fan down with a speed controller right?
Rush Limbong
Member
I sure did. I just got finished soaking some bathroom towels, and laid them at the bottom of each side of the huts floor. Hopefully, this will keep the RH up.
Rush Limbong
Member
Here's some pics at 15 days veg. Everything seems to be ok except for the leaf curl on some of the plants. I also changed the rez on Sunday. I just added the PBPG and LK this time around. I think I'm going to switch to 12-12 in a couple days...anyone agree?
Yeah i'd have to agree to let them go a bit longer. I would say Min 12". In hydro that can happen fairly quick. Keep in mind chronic likes to grow a thick main cola and the more branch sets you have the longer that cola will be. Chronic is a fairly tight plant. Personally AFTER the roughly 2 week stretch is over, i trim everything off from halfway down. Although you will get good light penetration with that 1K it may not be needed.
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Rush Limbong
Member
Another week makes 3, so I'm going to go with what you both said...
They're about 6 inches high(tallest one)
RUSH
They're about 6 inches high(tallest one)
RUSH
don't make the same mistake I have.... Wait it out until the plant is a healthy 12-18"
Go take a look at MyNameStitch's thread in the infirmary. Take a good look at what Magnesium and Calcium defficiencies look like. Just something to watch out for when using pure blend pro.
I am setting up an ebb flow table tonight. Sure is an easy system to setup and use.
I am setting up an ebb flow table tonight. Sure is an easy system to setup and use.
Pico, you are one more person who has mentioned problems with PBP! It seems to be very acidic (fish meal and guanos) and I have seen more people with defs using this than any other nute.
My theory is that the PBP knocks down the ph to the point where these minerals, Mag, Cal, and even phosphorus gets locked up. Always check your ph of your soil, rez, etc before adding more nutes to correct a perceived deficiency. Usually there is more than enough nutes present, they are just locked and adding more will make the problem worse.
Good luck. How is that leaf curl? I don't like the looks of that. Although ChiefSmokingBud doesn't think it is from nutes, I can also see some calcium/mag/potassium def starting to show up with those brown spots on the one leaf, upper left.
What is the ph of your rez?
Take care, Rush
My theory is that the PBP knocks down the ph to the point where these minerals, Mag, Cal, and even phosphorus gets locked up. Always check your ph of your soil, rez, etc before adding more nutes to correct a perceived deficiency. Usually there is more than enough nutes present, they are just locked and adding more will make the problem worse.
Good luck. How is that leaf curl? I don't like the looks of that. Although ChiefSmokingBud doesn't think it is from nutes, I can also see some calcium/mag/potassium def starting to show up with those brown spots on the one leaf, upper left.
What is the ph of your rez?
Take care, Rush
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Rush Limbong
Member
hey Pico, and Heady Pete!
I changed my res for the second time this past Sun., and I DID NOT add any cal/mag in it.
The reason is, Is that I started my first res pretty strong, and wanted to give 'em a chance to just use the PBP and LK.
I think today I will add some cal/mag. I measured my res(tds) and the # is in the 580's for a 40 gallon res. Instead of adding more PBP, I'm saying cal/mag becuse it seems to have a good amount of N in it compared to the PBP, but also the plants would be getting their cal/mag.
My res PH is always around 6.0 now. I'm trying to keep the temps(ambient) in the low 80's
Those brownish, yellow leaves in the back Heady are from the problems I had with the first res being too strong....they got burnt pretty bad....the new growth since then has been MUCH better....as for the curled leaves....theres only about half of them that are doing it....2-3 that have it as bad in the pic. I have even been misting them to help keep up the humidity
I changed my res for the second time this past Sun., and I DID NOT add any cal/mag in it.
The reason is, Is that I started my first res pretty strong, and wanted to give 'em a chance to just use the PBP and LK.
I think today I will add some cal/mag. I measured my res(tds) and the # is in the 580's for a 40 gallon res. Instead of adding more PBP, I'm saying cal/mag becuse it seems to have a good amount of N in it compared to the PBP, but also the plants would be getting their cal/mag.
My res PH is always around 6.0 now. I'm trying to keep the temps(ambient) in the low 80's
Those brownish, yellow leaves in the back Heady are from the problems I had with the first res being too strong....they got burnt pretty bad....the new growth since then has been MUCH better....as for the curled leaves....theres only about half of them that are doing it....2-3 that have it as bad in the pic. I have even been misting them to help keep up the humidity
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