Saw this today
- Thread starter MrGreen
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MrGreen
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General hydroponics nutes the trio plus Calmagic koolbloom plus rapid start
Lights 24hrs
PH 5.8-6.0
Coco plus perlite
3ml calmagic
3 ml Flora micro
2ml Flora gro
3 ml Flora Bloom
1ml koolbloom
2 ml rapid root
Always add micro first
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Lights 24hrs
PH 5.8-6.0
Coco plus perlite
3ml calmagic
3 ml Flora micro
2ml Flora gro
3 ml Flora Bloom
1ml koolbloom
2 ml rapid root
Always add micro first
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You might be feeding to often even though the dose is pretty low.I would not use rapid root anymore feed only once a week and up your dose of cal/mag because your growing in coco.Some times lower leaves will start yellowing but this is normal because they don't recieve enough light and are just getting old.
MrGreen
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-- is that dosage per gallon, or L? ... symptoms look like a micronute defc. Zn, maybe Fe,... either from lack-off enough, or more likely, a lockout,.. coco van't be treated like true soil, more like hydro in many ways,.... hand feeding needs to have at least 15% run-off each time, to keep the nutes from building up cumulatively,... never water alone, Ca-Mg at least or the coco's CEC may get screwed up,... I need an in-pot pH and run-off ppm/EC to figure out why this is happening,... lack-off is easy to fix, but a lockout will have to be fixed by dealing with the coco first, and in any case, foliar treatment is the way to go if this is what I think it is,... immobile nute defc. are a pain to fix, slow, repeat treatments,.. you'll need a wetting agent for sure when treating, unless you have Optic Foliar Transport,.. what's the NPK on the micro? I think lots of N is in that part,..may not be the best for treatment, so consider getting a dedictated micronute supplement, like Earth Juice Microblast,.... in-pot pH may not be do-able, if you don't have a quality pH probe like the Accurate 8,... crude estimate can be had from run-off using just water + Ca-Mg,....
MrGreen
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Dosage per gallon. Ordered the Earth Juice Microblast should have it Friday. Yes Micro is the one the is high in N. I do not have a ppm meter maybe I should pick one up l.......?? I will look into the pH meter you recommended as well I have a cheap one and I know it sucks. I will make sure to adjust the feeding so I have additional run off. I will check the runoff PH tomorrow after feeding. This was a lot to take in but seems like very good info I will read it several times today I'm sure. I accidentally bought a shitload of coco I thought was soil so let's just say that's why I'm using it.
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.... good! 
... a basic TDS meter is actually pretty cheap, and handy to have when you need water/nute solution info to figure things out,...for coco, it's wise to have it so you can dial nute conc. in, and check that run-off to make sure you're not getting salts build up,..... at per gal, dosage seems pretty mild,... indeed, coco is a very different medium from true soil, and in some ways, peat "soilless" mediums like Promix,... do some homework for sure about it, here and online,.. Canna USA (makers of Canna coco and nutes) has a great website with coco grow info,... coco likes lower pH than soil too, around 6.0 is fine,... coco has odd cation exchange capacity properties (how +charge nute ions are bound and released), namely it's a Ca hog! it will bind Ca so strongly, that until it's sated with it, the plant won't be getting it's share! Once loaded, it CEC buffering (cation give and take) will release it more readily,.. holds Mg fairly strongly too,....
... a basic TDS meter is actually pretty cheap, and handy to have when you need water/nute solution info to figure things out,...for coco, it's wise to have it so you can dial nute conc. in, and check that run-off to make sure you're not getting salts build up,..... at per gal, dosage seems pretty mild,... indeed, coco is a very different medium from true soil, and in some ways, peat "soilless" mediums like Promix,... do some homework for sure about it, here and online,.. Canna USA (makers of Canna coco and nutes) has a great website with coco grow info,... coco likes lower pH than soil too, around 6.0 is fine,... coco has odd cation exchange capacity properties (how +charge nute ions are bound and released), namely it's a Ca hog! it will bind Ca so strongly, that until it's sated with it, the plant won't be getting it's share! Once loaded, it CEC buffering (cation give and take) will release it more readily,.. holds Mg fairly strongly too,....
