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Apr-25-2008, 20:39
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Yellow spots...Fox Farm nutes
I have started seeing a common problem on here...Yellow spotting on leaves, by growers using Fox Farm. I have had this problem myself. IMHO, what is going on, is we are over feeding, causing a Ph imbalance, leading to lock-out...I have troubleshooted the HELL out of this issue...with help from Stinky, WH, reaper...and others. So my conclusion is stated. Give me your thoughts, and share your issues if you have had any.
I think the solution is simple. (thanks JG2007) We should use the minimum recommended dosage, at ever other feeding...keep Ph around 6.5, checking Ph of water used to fed AFTER adding nutes, and check run-off Ph after feeding.
I am stoned as the rock-biter...(see who catches THAT reference....lol) so I may have left something out...Let me know what you guys think....share away
whiskeytango
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"Boy, the next words outta your mouth better be some brilliant Mark Twain shit...cause it is definitely getting chiseled on your tombstone"-Otis Driftwood
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Apr-26-2008, 10:09
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I've been using FF nutes (G-M-B) for years now. No ongoing problems here. I do a minor flush a couple of times in flower, tho. (4-5 gallons of plain, ph'd water, per 5 gallon pot) One major flush the week before harvest. I do follow a modified version of their schedule for soil plants, but every grow/grower/growroom is different. Were I inflexible with my nute schedule, my results would vary greatly. For instance: a sativa and an indica will likely have different reactions to the same quantity and ratio of nute mix.
Perhaps it's not the FF or the nute ratio that's giving problems. Perhaps it's the quantity of properly mixed nutes, that is added per pot. Or the frequency. Or perhaps overwatering.
With the Tiger Bloom, instructions say to use 2 tsp:gallon, per week. I add 1 tsp:gal twice a week. (Mondays and Thursdays)
For every gallon that I mix, I can fertilize two to three - 5 gallon pots. If I see run-off while adding the nutes, I know I've given too much. (nutes are too expensive to waste) Plain water only between feedings, slight run-off ok.
Even though I use well water, (8.1 ph from tap...adjusted down to 6.7 or so using phosphoric acid) I still add 1 tsp:gallon CalMag Plus, twice a month. Holds the darker-green colors better. Also, I only foliar if it is to correct a deficiency. Never do I spray, just for a humidity adjustment.
I also have taken to transplanting from a 3 gallon pot, to a five gallon pot, on the day of switching to 12/12. Being rootbound late in flower is a bitch, and up-potting has worked well for me. Slows transition into bloom cycle by adding the fresh soil, (a local mix...very hot: Filthy Rich Potting Soil) but after a couple of weeks under 12/12, is bigger-n-better than ever, and right on track. (can/will cause some extra stretch, so cab growers shouldn't really do this, lol)
FF has never given me an excuse to switch, so am likely to continue it's use. Equally as important...I've found a nute series that works very well with the soil mix I use. FF is a quality product, and I've learned how incorporate it into my plants' busy schedule. 
Am curious to see other's comments, tho. 
Last edited by Rusty Trichome; Apr-26-2008 at 10:15.
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Apr-26-2008, 15:34
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I used Fox Farm for years too and was satisfied with the results. Talking hydro here. I was satisfied because I didn't know any different, and it was hugely different to the soil grows I was used too. It left me with deficiencies, specifically iron and nitrogen. I am in no way an expert at deficiencies, but when I tried supplements the problems got better and I became more than satisfied. After much reading and asking around I'm about ready for a full on Dutch Master grow, with a little Advanced Nutrients thrown in at the end. Those are two names that will not steer you wrong IMO and in that of many others more knowledgeable than I.
I won't try and tell you what's causing yellow spots because I've decided to not give advice if I'm not sure about something. I don't want to risk someone else's grow. The best advice I know to give is to research via the www. I'd start with this forum and search problem chart, since there are plenty. I know I've posted at least 5 in the problems section.
How about some pictures of the problem?
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 Everything I say in this forum is completely true, and should be construed as fact. I do smoke weed, and sometimes I eat it. Not only that I sell it, along with every other drug known to man and a few that aren't. Everything I do is 100% illegal, and I condone others breaking the law. All pictures that I post are not taken from the internet, but are of my own illegal operation. Also, I speed and don't come to complete stops at stop signs. |
Apr-26-2008, 16:03
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yeah...i think i was just bombing them with nutes... i fed with 5 gal water into the pots...in said 5 gal container...i used the max recommended dose....and at every feeding...thats the best i can come up with after treating for all the def, mites, ph....getting really frustrating....lol
thanks for the imput guys!
WT
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Your style will eventually match your grow area and the amount of time and money you like to put into initial setup vs. long term maintenance.-stinkyattic
"Boy, the next words outta your mouth better be some brilliant Mark Twain shit...cause it is definitely getting chiseled on your tombstone"-Otis Driftwood
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Apr-26-2008, 19:35
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I'm not sure if nute burn comes in spots. I think it's more like on the very tip of the leaves and then the outside edges. Yellow spots could be an iron deficiency.
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Everything I say in this forum is completely true, and should be construed as fact. I do smoke weed, and sometimes I eat it. Not only that I sell it, along with every other drug known to man and a few that aren't. Everything I do is 100% illegal, and I condone others breaking the law. All pictures that I post are not taken from the internet, but are of my own illegal operation. Also, I speed and don't come to complete stops at stop signs.
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Apr-27-2008, 20:05
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Quote:
Originally Posted by SnSstealth
I have started seeing a common problem on here...Yellow spotting on leaves, by growers using Fox Farm. I have had this problem myself. IMHO, what is going on, is we are over feeding, causing a Ph imbalance, leading to lock-out...I have troubleshooted the HELL out of this issue...with help from Stinky, WH, reaper...and others. So my conclusion is stated. Give me your thoughts, and share your issues if you have had any.
I think the solution is simple. (thanks JG2007) We should use the minimum recommended dosage, at ever other feeding...keep Ph around 6.5, checking Ph of water used to fed AFTER adding nutes, and check run-off Ph after feeding.
I am stoned as the rock-biter...(see who catches THAT reference....lol) so I may have left something out...Let me know what you guys think....share away
whiskeytango |
He He He I think I know that, "Legend"? it has something with nothingness.....
Last edited by PopsSoCal; Apr-27-2008 at 20:12.
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Apr-27-2008, 21:49
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Just a thought. I know 6.5 PH is about right for soil (I like 6.6), but this Cannabis.com Forums Message Boards - Medical Marijuana, Cannabis Club, Dispensary, News shows that 6.5 may make it hard for iron uptake. Any PH may cause deficiency in some chemical. Perhaps a foliar feeding of Spray N Grow? Certainly couldn't hurt.
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Everything I say in this forum is completely true, and should be construed as fact. I do smoke weed, and sometimes I eat it. Not only that I sell it, along with every other drug known to man and a few that aren't. Everything I do is 100% illegal, and I condone others breaking the law. All pictures that I post are not taken from the internet, but are of my own illegal operation. Also, I speed and don't come to complete stops at stop signs.
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Apr-27-2008, 21:58
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Quote:
Originally Posted by Opie Yutts
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meh..
I've like this chart. I feel it's a more accurate depiction of what happens as the ph rises or drops.
Cannabis.com Forums Message Boards - Medical Marijuana, Cannabis Club, Dispensary, News
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DISCLAIMER: I do not know how to grow/cultivate cannabis. All posts made by me are fictitious in the form of role playing a cannabis cultivator.
The act of role playing is acting out a story/game. In this case I am participating in a Role playing game, or an RPG, of Cannabis growers.
None of this is Real and I reitterate I have no expierence with growing or using cannabis.
Check out my New and Improved Grow Log!!!
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Apr-30-2008, 21:57
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bump!
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Your style will eventually match your grow area and the amount of time and money you like to put into initial setup vs. long term maintenance.-stinkyattic
"Boy, the next words outta your mouth better be some brilliant Mark Twain shit...cause it is definitely getting chiseled on your tombstone"-Otis Driftwood
LED growing- An instructional grow log
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Apr-30-2008, 22:18
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The nerve of some people. Bumping without pictures. 
I'm telling ya, foliar feed with spray n grow. It might fix the problem without anyone ever really knowing what it is.
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Everything I say in this forum is completely true, and should be construed as fact. I do smoke weed, and sometimes I eat it. Not only that I sell it, along with every other drug known to man and a few that aren't. Everything I do is 100% illegal, and I condone others breaking the law. All pictures that I post are not taken from the internet, but are of my own illegal operation. Also, I speed and don't come to complete stops at stop signs.
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Apr-30-2008, 22:27
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spray and grow...like home depot spray n grow?
whiskeytango
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Your style will eventually match your grow area and the amount of time and money you like to put into initial setup vs. long term maintenance.-stinkyattic
"Boy, the next words outta your mouth better be some brilliant Mark Twain shit...cause it is definitely getting chiseled on your tombstone"-Otis Driftwood
LED growing- An instructional grow log
Episode 3...Revenge of the LED
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May-01-2008, 00:22
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I'm one of the ones that had this problem. In my case I had the problem while using Grow Big. I was pretty sure I was over ferting but I did it anyway because the plants seemed to like it. I'm still pretty inexperienced and I need to push things to see how far I can go I guess.
My soil ph was ok. I figured too much of whatever (nitrogen or whatever else) is in Grow Big could lock something else out. Because I had ph problem with my last and first grow and the leaves looked the same. But I used peat moss last time because I didn't know any better and it was really acidic. And I used different ferts last time. This time my soil ph is fine.
Something else I should mention because it could possibly have some weird effects is that my ferts are a couple years old. I don't know if that would matter but I figured I should mention it if the intention of this thread is to try to figure out commonalities.
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May-01-2008, 06:41
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we just bought ours, but that doesnt mean they are not old...good point to look into
WT
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Your style will eventually match your grow area and the amount of time and money you like to put into initial setup vs. long term maintenance.-stinkyattic
"Boy, the next words outta your mouth better be some brilliant Mark Twain shit...cause it is definitely getting chiseled on your tombstone"-Otis Driftwood
LED growing- An instructional grow log
Episode 3...Revenge of the LED
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May-01-2008, 09:42
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Quote:
Originally Posted by Opie Yutts
I'm telling ya, foliar feed with spray n grow. It might fix the problem without anyone ever really knowing what it is.
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There is a certain beautiful simplicity in this. And this is the EXACT reason I keep a trusty bottle of Algoflash or GH Micro around. Micronute foliar feeds ftw! They buy you time to discover the PROBLEM while you treat the SYMPTOMS.
I no longer use FoxFarm because of the lockouts I was getting at normal application rates. I think that if you use it, you should get on a feeding schedule that includes a HEAVY watering every couple weeks with pH adjusted plain water to runoff, checking the pH of the runoff afterwards. |
May-01-2008, 09:47
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sweet!...well i definitely know i over fed for a while....and it does seem that this is a common problem with FF...i will continue using it till we run out, but at the lower recommended dose, and every OTHER feeding, checking run off constantly, and good Ph corrected aqua...
any other organic lines you guys might recommend stinks and opie? i am very adamant about organic, and heard many great reviews about FF..If i get these lock-outs again, after correcting my feedings, i will switch...just dont know a good switch...
so defintiely getting some spray n grow, or GH micro....
WT
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Your style will eventually match your grow area and the amount of time and money you like to put into initial setup vs. long term maintenance.-stinkyattic
"Boy, the next words outta your mouth better be some brilliant Mark Twain shit...cause it is definitely getting chiseled on your tombstone"-Otis Driftwood
LED growing- An instructional grow log
Episode 3...Revenge of the LED
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May-01-2008, 09:56
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You know that FoxFarms is not OMRI certified, right? It's organic based, but not technically organic.
Along those lines, Botanicare Pure Blend Pro is also organic-based. I find it easier to work with, as you are more likely to get DEFICIENCIES than lockouts, and those are easy to treat.
Canna Bio is organic. The other Cannas are heavily organic but not technically Organic (with the big O lol) I haven't used the Bio but I <3 the Aqua, OMG OMG OMG it is the best. They are very user-friendly in terms of how much wiggle room you have to make mistakes. I have found it hard to fuck up running Canna in hydro.
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May-01-2008, 10:17
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guess ill be lookin into canna bio huh?...thanks stinks
WT
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Your style will eventually match your grow area and the amount of time and money you like to put into initial setup vs. long term maintenance.-stinkyattic
"Boy, the next words outta your mouth better be some brilliant Mark Twain shit...cause it is definitely getting chiseled on your tombstone"-Otis Driftwood
LED growing- An instructional grow log
Episode 3...Revenge of the LED
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May-01-2008, 14:14
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