Yellowing Leaves on Top, minimum crusting on bottom
- Thread starter ShagMan
- Start date
Try posting more details its helps for people to give answers.
Info about the light and how close it is might help.
(deleted nonsense)
Check this Sick Plant Guide: http://www.icmag.com/ic/showthread.php?t=11688
Info about the light and how close it is might help.
(deleted nonsense)
Check this Sick Plant Guide: http://www.icmag.com/ic/showthread.php?t=11688
What is the light? What wattage and type etc....
smokeybandit22
Well-Known Member
this one is pretty easy and common with hydro grows-
first off I would not reccomend using organics in hydro-myriad of issues-i.e. I would ditch the tea composite- ur plants need quicker, more soluble nutes-i.e. why they are so light green in color.
your plants are showing textbook Pottasium deficiency- first pic lower leaves, yellowing to dead edges and than from tip back. second pic leaves to the left exhibiting same thing only progressing higher-more deficient. 3rd pic- that flash withing at the leaf edges along with random spotting-has progressed to becoming severe. This is all first hand info. I bet there is only one or two leaves like that one in the last pic. also seeing some signs of Mg deficiency, which goes hand in hand with potassium when you have the following:
excessive salinity in either the res-from not flushing properly or enough-or excessive salinity in the medium. It very well could be just a straigh potassium deficiency but by the progression of it, you may not be feeding enough and a greater portion is being locked out-plant cant not properly uptake.
if u r running hydro, I would suggest you drop your ph down to 5.6.5.8 and try not to exceed 6.00 as will worsen condition. I also suggest you pick up some clearex at some point. U r gonna have to flush the res and the medium and than immediately feed with 1/2 strength nutes.
Assuming these gals are looking ready to flower soon, you must have picked up bloomnutes right? I would start feeding them some as they need th eextra p and k right now.
and light bleaching is more patterned with no other visible symptoms. very easy to see by clearly looking at your pics.
very nice plants by the way, they should be fine if you follow the above. something u r gonna have to keep ur eye on while flowering as P uptake and demand is increased 5 fold
first off I would not reccomend using organics in hydro-myriad of issues-i.e. I would ditch the tea composite- ur plants need quicker, more soluble nutes-i.e. why they are so light green in color.
your plants are showing textbook Pottasium deficiency- first pic lower leaves, yellowing to dead edges and than from tip back. second pic leaves to the left exhibiting same thing only progressing higher-more deficient. 3rd pic- that flash withing at the leaf edges along with random spotting-has progressed to becoming severe. This is all first hand info. I bet there is only one or two leaves like that one in the last pic. also seeing some signs of Mg deficiency, which goes hand in hand with potassium when you have the following:
excessive salinity in either the res-from not flushing properly or enough-or excessive salinity in the medium. It very well could be just a straigh potassium deficiency but by the progression of it, you may not be feeding enough and a greater portion is being locked out-plant cant not properly uptake.
if u r running hydro, I would suggest you drop your ph down to 5.6.5.8 and try not to exceed 6.00 as will worsen condition. I also suggest you pick up some clearex at some point. U r gonna have to flush the res and the medium and than immediately feed with 1/2 strength nutes.
Assuming these gals are looking ready to flower soon, you must have picked up bloomnutes right? I would start feeding them some as they need th eextra p and k right now.
and light bleaching is more patterned with no other visible symptoms. very easy to see by clearly looking at your pics.
very nice plants by the way, they should be fine if you follow the above. something u r gonna have to keep ur eye on while flowering as P uptake and demand is increased 5 fold
lol i was so wrong >< I should of kept my mouth shut when i dont know squat about hydro. Im glad someone with experience could help.
smokeybandit22
Well-Known Member
no way man, you were right on track. ppl really need to post more info. the lights will worsen the situation b/c most deficiencies are from burning leaf tissue and u r right, if he is using some serious lights than that would def make the prob worse.
smokeybandit22
Well-Known Member
I let em grow right into the bulb on CFL's when they are premies. he has got ot be using some HID b/c they are very fat and bushy plants. how's ur grow goin?
Lol your right again. Im guessing a MH bulb with that light shining?
How do you know i have a grow going?
????
ShagMan
Well-Known Member
Indeed alot of info and very helpful
I have been flushing out my system but its been about a month since I have
I am using a 400watt HPS with an air cooled thing (high as fuck forgot the damn name)
I will work on the pH and keep it at that specific level
as in feeding i just uped the fox farm grow big to 1 tspn per gal a couple days ago and will use something other than the composite tea
thanks for the help
ShagMan
Well-Known Member
Are you sure I thought that you start using those blume nutes when you start flowering? Doing it at this time wont start the flowering process?
I just bought some btw
smokeybandit22
Well-Known Member
bloom nutes contain essentially the same nutes as grow- just higher in the p and k and lower in the N. nothing in there that will bring on flowering-only light can do this.
I mean looking at ur pics again, I think the nutes u were/are using just not enough for the plants. they are light green-low n-onset of K and possibly mg deficiency-the plant in first pic back left corner shows it the best. I would slowly and steadily either increase ur grow nutes or use the same and add the bloom. u said u upped the nutes to 1 tsp per gallon but ur prior post says the same amount. did you mean tblspn?usually there is enough K around but being locked out.
I think u r using DWC and if so, + reps to you for having individual reseviors. truly, truly makes the world of a difference.
I would flush every 2 weeks b/c those res's look like 3 gallon pail and Im sure the root takes up 80% of the room in there. I would seriously consider a larger res when going into or 2-3 weeks into flowering-not necessarily wider but taller. 5 gallon pails may work but look in walmart in the house garbage pails.
also, you prob are gonna want to flower soon, as u r talking about alot of plants and growth and buds.
why the fuck is that one so tall?? I would top her b/c u will have issues with trying to keep the light(s) close but will lose lumens with the other ones growing. u will def get alot more out of them if they are all the same height-ish. also, u def want this prob locked before flowering as if this was flowering time, they would look ALOT worse and you prob would have cut your yield by 20-30%.
I mean looking at ur pics again, I think the nutes u were/are using just not enough for the plants. they are light green-low n-onset of K and possibly mg deficiency-the plant in first pic back left corner shows it the best. I would slowly and steadily either increase ur grow nutes or use the same and add the bloom. u said u upped the nutes to 1 tsp per gallon but ur prior post says the same amount. did you mean tblspn?usually there is enough K around but being locked out.
I think u r using DWC and if so, + reps to you for having individual reseviors. truly, truly makes the world of a difference.
I would flush every 2 weeks b/c those res's look like 3 gallon pail and Im sure the root takes up 80% of the room in there. I would seriously consider a larger res when going into or 2-3 weeks into flowering-not necessarily wider but taller. 5 gallon pails may work but look in walmart in the house garbage pails.
also, you prob are gonna want to flower soon, as u r talking about alot of plants and growth and buds.
why the fuck is that one so tall?? I would top her b/c u will have issues with trying to keep the light(s) close but will lose lumens with the other ones growing. u will def get alot more out of them if they are all the same height-ish. also, u def want this prob locked before flowering as if this was flowering time, they would look ALOT worse and you prob would have cut your yield by 20-30%.
ShagMan
Well-Known Member
where would be a good place to top the big one without killing it i dont want to cut to low
and the individual containers are connected with tubing so all get an equal amount of everything
but i shall use the same veg nutes and start using a lil bloom nutes
Im using FoxFarm Grow big and just bought big bloom and tiger bloom foxfarm
how much should i use
or should i just go with the grow schedual and use 1/2 nutes what it tells me
and the individual containers are connected with tubing so all get an equal amount of everything
but i shall use the same veg nutes and start using a lil bloom nutes
Im using FoxFarm Grow big and just bought big bloom and tiger bloom foxfarm
how much should i use
or should i just go with the grow schedual and use 1/2 nutes what it tells me
smokeybandit22
Well-Known Member
I would continue to use the Grow Big at higher dosage and start adding the Big Bloom at 1/4 dosage for now. the tiger bloom should be used the last half of flowering.
can u post the NPK ratios of all three? should be right on the label...
dont forget to flush first
as for the topping of the plant, to be honest I have never done it. my knowledge and experience on the subject is limited. I now think too that if she does get topped, she may bush out and cause a different problem. I would maybe look into tying her down instead. I would create a new thread asking for serious and knowledgable help for maintaining the height of this plant and post the same pic of the set up so they can see. and do take a consensus and not just any ones post.
can u post the NPK ratios of all three? should be right on the label...
dont forget to flush first
as for the topping of the plant, to be honest I have never done it. my knowledge and experience on the subject is limited. I now think too that if she does get topped, she may bush out and cause a different problem. I would maybe look into tying her down instead. I would create a new thread asking for serious and knowledgable help for maintaining the height of this plant and post the same pic of the set up so they can see. and do take a consensus and not just any ones post.