This may be a stupid question But, do those meters work in Coco? Or soil only?
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Phosphorous deficiency in flower?
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Not a stupid question,Yes, the blue Lab I think comes in a "Multi Media Model" That does it all and the Accurate 8 will give you a reasonable value to work with in coco. You need to learn how to use it as there is a technique to using it correctly.
You're not the first to recommend an Accurate 8. I just had an expensive bachelor party trip to the beach in Cali and a wedding in Vegas this weekend...so it will be about a month and a half before I can buy me 2 of those new HLG Saber Bars(or 3 of the 288's or 96's off of Alibaba) and an Accurate 8. Thanks for the tip! I will be messaging u for tips on using it whenever I get one!
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The instructions that come with it are complete. Just be sure to clean and store it properly.
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- fine-ass '22 harvest!
- Accurate 8 (Control Wizard products) or some other brand name but exact same unit... CWP's A8 has gone up in price for some reason, but looking at amazon, I see 2-3 other brands for much less, same unit, same Chinese factory basically!Light are too close, it at least part of the cause,.. You can't use other plants to judge, even the same strain can have differently tolerant/demanding pheno's, to say nothing of different strain altogether....
In coco, things are different with run-off pH testing, at least if you're running it like most folks do, more like hydro, with 15-20+% run-off each time... Basically a lot of weaker, frequent feeding, never ever water alone, test pH and ppm going in, and coming out; this is how you monitor your pH and the nute salt load in there,... with such frequent feeding and lots of run-off are why you watch this so closely, and can rely on for pH in-pot....
Symptoms are looking more suspect for micronutrient defc., though P can manifest this way too especially under blasting light, but that also kicks off the micronute defc.; most of those are immobile within the plant, and so it hits tops areas first and worst, just light light blasting does.... Raise the lights to 20", try a hit or two of bloom booster, and if you can get it, a micronutrient supplement... I use this stuff regularly from day 1, along with Si, humic-fulvic, kelp, and inoculants.... Earth Juice Microblast is my go-to for micro's....
My White Chem is on day 62 and doing pretty good overall. I have been noticing that the sugar leaves/bud leaves are cupping and pointing down in some areas(see first pic)...but not most....just a few areas. Is it nothing to worry about? Or early signs of unhappy plant? Im giving her a good flush tomorrow and giving her water from here on out because she looks to be about 2 weeks away from being ready(see 2nd and 3rd pic).
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nothing to sweat on the sugar leaf curls,..... If you flush, in coco never use water alone or it may screw up the whole CEC thing in there,.. recommendations i see are to use RO/Di?very low ppm water, with 150ppm of Ca-Mg, plus another 150ppm nutes, adjust to 6.0, and pour through until run-off is at or near input values.. This will give you a chance to check out what kind of ion load is in there,.. run-off shouldn't be more than about 250ppm more than input which at this late stage my guru says should be about 700ppm... 2 weeks of flush is too much IMO, you're starving her for vital nutes at the end, when she's working on terpenes and final fattening,..."flush" is a hotly debated topic, and there's a good Myth Buster thread on this in that section, so check it out! Very likely, IMO, several days of just water + light Ca-Mg will be plenty of time to "clear the pipes" of nutes in uptake/transport in vascular system, and to finish off some reserves of what mobile nutes are in there....
Good info! This is my first grow in coco so I am learning as I go. I have had a bachelor party, wedding, and family in town for the past 2 weeks...so I haven't been able to do much research as I normally would. Thanks Waira!
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