Plants Stalling Ever Few Days. 4 Weeks Into Flowering!

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Drew925

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Like the title says, im 4 weeks into flowering and my plants are stalling every few days. I do a 24 hour flush with 10 ml/gallon of uc roots. After the flush they start consuming nutes(cc a&b plus mid bloom) at about 70ppm per day for about two days then they stall again. Ph drops and ppm slowing increases
Peak ppm on the .7 scale is 510
RH 60%
Temp 77
Ph range 5.4-6.3
The plants look perfect. Sun leave are in praying.
Thanks for any advice and help in advance.
 
GreentoGrow

GreentoGrow

9
3
Drew925 said:
Like the title says, im 4 weeks into flowering and my plants are stalling every few days. I do a 24 hour flush with 10 ml/gallon of uc roots. After the flush they start consuming nutes(cc a&b plus mid bloom) at about 70ppm per day for about two days then they stall again. Ph drops and ppm slowing increases
Peak ppm on the .7 scale is 510
RH 60%
Temp 77
Ph range 5.4-6.3
The plants look perfect. Sun leave are in praying.
Thanks for any advice and help in advance.
Click to expand...
What does your water temp stay at
 
GreentoGrow

GreentoGrow

9
3
Drew925 said:
Like the title says, im 4 weeks into flowering and my plants are stalling every few days. I do a 24 hour flush with 10 ml/gallon of uc roots. After the flush they start consuming nutes(cc a&b plus mid bloom) at about 70ppm per day for about two days then they stall again. Ph drops and ppm slowing increases
Peak ppm on the .7 scale is 510
RH 60%
Temp 77
Ph range 5.4-6.3
The plants look perfect. Sun leave are in praying.
Thanks for any advice and help in advance.
Click to expand...
Drew925 said:
Thanks for your response Greentogrow.... water temp set at 67
Click to expand...
Ok that sounds good .Are you sure your water temp doesn't climb to a hotter temp what type of controls are you using to keep it cool ? Like what size water chiller are you using ? I ask because I had a problem kinda of the same where my pumps the heat from my lamps the air temp everything would raise my temps and they would stall out. Also if your plants are looking well no signs of nute deficiency or lockout then it should be something water temp related. But just brainstorming
 
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Drew925

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My tempo remain steady between 66 and 68. My chiller is actuallya 1/4 hp over cc recommendations.
By the way I don't mind. I just need to get to the bottom of this problem....
 
GreentoGrow

GreentoGrow

9
3
Drew925 said:
My tempo remain steady between 66 and 68. My chiller is actuallya 1/4 hp over cc recommendations.
By the way I don't mind. I just need to get to the bottom of this problem....
Click to expand...
Ok cool sounds like ur running a nice set up. What exactly do you mean stalling out? How often do you physically check ppm ec tds ? Can we get a pic or 2 .
 
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Drew925

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GreentoGrow said:
Ok cool sounds like ur running a nice set up. What exactly do you mean stalling out? How often do you physically check ppm ec tds ? Can we get a pic or 2 .
Click to expand...
They are physically checked daily. As of now, the ppm remain at 340 but the PH is slowly dropping from 5.7 a few hours ago to 5.3 now.
By stalling out, I mean the ppm remain the same or increase and my ph slowly decreases.
I'm also using RO...
 
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GreentoGrow

GreentoGrow

9
3
Ok I've done a lil research and a few agreements on if ur ph is dropping and ppm raise the plants have to much feed and are not using it. The nutes leftover replace water dropping the ph and make the ppm increase. You are maintaining by adding ph up which is good but not the best for your plants or your pocket. So give them less nutes they should be eating what's available to them therefore raising the ph and lowering the ppms all kind of slowly not hourly like ur dealing with. This being said u could be potentially wasting ur money in those wasted nutes that go unused until u flush ur system. By the way your plants look very heathy so good job handling this ph mess very diligent work. Nice job
Last would not hurt to run straight water and flushing agent for a day or 2 depending on strain to really flush ur system super good. But any signs of deficiency feed them quick
 
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Drew925

22
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GreentoGrow said:
Ok I've done a lil research and a few agreements on if ur ph is dropping and ppm raise the plants have to much feed and are not using it. The nutes leftover replace water dropping the ph and make the ppm increase. You are maintaining by adding ph up which is good but not the best for your plants or your pocket. So give them less nutes they should be eating what's available to them therefore raising the ph and lowering the ppms all kind of slowly not hourly like ur dealing with. This being said u could be potentially wasting ur money in those wasted nutes that go unused until u flush ur system. By the way your plants look very heathy so good job handling this ph mess very diligent work. Nice job
Last would not hurt to run straight water and flushing agent for a day or 2 depending on strain to really flush ur system super good. But any signs of deficiency feed them quick
Click to expand...
So I have flushed the system several times over the last two weeks, because of ph dropping. Always 24 hours. Maybe I need to try two day.
Im feeding athe half of what cc reccomends on there schedule. Are you suggesting that I go lowers.
After they are flushed. They consume 70ppm per day for about two days and then they stop and ph lowers...
I'm freaking lost...lol
 
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Drew925

22
3
GreentoGrow said:
Ok I've done a lil research and a few agreements on if ur ph is dropping and ppm raise the plants have to much feed and are not using it. The nutes leftover replace water dropping the ph and make the ppm increase. You are maintaining by adding ph up which is good but not the best for your plants or your pocket. So give them less nutes they should be eating what's available to them therefore raising the ph and lowering the ppms all kind of slowly not hourly like ur dealing with. This being said u could be potentially wasting ur money in those wasted nutes that go unused until u flush ur system. By the way your plants look very heathy so good job handling this ph mess very diligent work. Nice job
Last would not hurt to run straight water and flushing agent for a day or 2 depending on strain to really flush ur system super good. But any signs of deficiency feed them quick
Click to expand...
Also, I'm not maintaining by adding ph up. When the ph lowers I know there is a problem so I immediatelyflush.
 
GreentoGrow

GreentoGrow

9
3
Ok I got you. Question ur ppms are at 70 right or was that short for 700 because most strains ( some quick research should reveal the optimum levels for ur strains ) in flower 700 all the way up to 1500 In Some strains. U have ro so 600 ppms should be really close to optimum
 
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Drew925

22
3
GreentoGrow said:
Ok I got you. Question ur ppms are at 70 right or was that short for 700 because most strains ( some quick research should reveal the optimum levels for ur strains ) in flower 700 all the way up to 1500 In Some strains. U have ro so 600 ppms should be really close to optimum
Click to expand...
My ppm's are at 340 now. Down from 510 two days ago. 510 is were I set my ppm after a flush.
 
GreentoGrow

GreentoGrow

9
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Alright well I'm stumped maybe the only thing left to do is the 2 day flush with something like clearex Then maintain the levels very close so you get as lil variation as possible. If work / school keeps u busy maybe a nice micro doser will be ur ticket to less maintenance and more constant even ppms and hopefully ph to I'll keep digging because I hate being stumped let me know what u find out or end up doing very interested
 
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Drew925

22
3
GreentoGrow said:
Alright well I'm stumped maybe the only thing left to do is the 2 day flush with something like clearex Then maintain the levels very close so you get as lil variation as possible. If work / school keeps u busy maybe a nice micro doser will be ur ticket to less maintenance and more constant even ppms and hopefully ph to I'll keep digging because I hate being stumped let me know what u find out or end up doing very interested
Click to expand...
Thanks for you help. I appreciate your time and effort. Hopefully someone else will chime in..... I'm stumped also and I'm getting tired of flushingevery two days...lol
 
U

Unicorns

65
18
Drew925 said:
Like the title says, im 4 weeks into flowering and my plants are stalling every few days. I do a 24 hour flush with 10 ml/gallon of uc roots. After the flush they start consuming nutes(cc a&b plus mid bloom) at about 70ppm per day for about two days then they stall again. Ph drops and ppm slowing increases
Peak ppm on the .7 scale is 510
RH 60%
Temp 77
Ph range 5.4-6.3
The plants look perfect. Sun leave are in praying.
Thanks for any advice and help in advance.
Click to expand...
I also run CC nutes and I'm not sure how much you are adding. But what I've seen on some strains is that when you add more mid boost than bloom A/B the pH drops after a couple days. Not all strains but some I've seen. I'm not sure if that is what you are seeing. If so cut back on the mied boost so it's the same as bloom A/B ie 6 ml of each
 
oldskol4evr

oldskol4evr

12,306
438
Drew925 said:
They are physically checked daily. As of now, the ppm remain at 340 but the PH is slowly dropping from 5.7 a few hours ago to 5.3 now.
By stalling out, I mean the ppm remain the same or increase and my ph slowly decreases.
I'm also using RO...
Click to expand...
in coco i would be running 900 ppm,those plants look great friend
 
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Drew925

22
3
Unicorns said:
I also run CC nutes and I'm not sure how much you are adding. But what I've seen on some strains is that when you add more mid boost than bloom A/B the pH drops after a couple days. Not all strains but some I've seen. I'm not sure if that is what you are seeing. If so cut back on the mied boost so it's the same as bloom A/B ie 6 ml of each
Click to expand...
I'm on week four if the feeding schedule. I'm actually feeding halfof what their schedule calls for. I'm feeding 3.5 ml/g a&b and 2.5ml/g of mid.... I'm actuallythinking about trying another brand of nutes because, I always run into problems mid bloom with cc nutes...
Thanks for your response. I need all the help I can get
 
oldskol4evr

oldskol4evr

12,306
438
Drew925 said:
I'm on week four if the feeding schedule. I'm actually feeding halfof what their schedule calls for. I'm feeding 3.5 ml/g a&b and 2.5ml/g of mid.... I'm actuallythinking about trying another brand of nutes because, I always run into problems mid bloom with cc nutes...
Thanks for your response. I need all the help I can get
Click to expand...
have you tried swinging the ph instead of ppm and ec
 
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Drew925

22
3
oldskol4evr said:
in coco i would be running 900 ppm,those plants look great friend
Click to expand...
Thanks oldskol. I have to admit. They do look good and the roots look great as well. My dilemma is trying tofigure out why my ppm's are dropping every few days
 
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