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thisisfun661
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Could be the start of a calcium deficiency.
8 weeks veg from seed, in coco maybe they could use a bit more than 1150ec uS/cm, something like ec 1250-1500uS/cm.
Do you have a more geral photo of them? So we can see the whole plants too.
Cheers
This is good advice - I just thought it was weird that I was seeing the opposite:Also don't go too crazy about runoff readings, there's a right way to collect run off so the readings are somewhat accurate, collecting the run off from the plates for example would give you falsely high numbers on EC and much probably false low pH too, read your plants on how they are looking rater than by runoff.
Nah I just think it's something you should do ONLY if you have problems, but to be fair it isn't necessary practice at all, checking run offs can often be misleading and inaccurate.This is good advice - I just thought it was weird that I was seeing the opposite:
Feeding 1100 EC and runoff @400 EC
Feeding 5.9 pH and runoff 7.2 pH
I do pull from the trays (I hand water) but I swap the plant to a clean tray each time and then water, let the runoff collect for 5-10 mins, and then pour into a clean cup/bucket and EC and pH. Is there a better way?
Thanks again for your insight - this is my first grow, so the input from others has helped me learn a lot.
To make sure I understand - before I do a CalMag only feeding, just increase overall nute feeding to 1300-1500? I use this recipe so I’m not sure exactly what to increase?Yep they are hungry, light shade of green overall,
Up your base to EC 1350-1500uS/cm before the cal/mg, pH'ed to 6 as you were already doing
Do you use all the products in the chart or the trio + calmag?
Also this chart you posted is more suitable for crop steering technique with 5+ microdosing irrigation events per day, the numbers I passed for 1x per day are better for your style of coco grow (hand watering 1x per day). The numbers I passed are more in line with GH medium feed chart a lil bit customized.To make sure I understand - before I do a CalMag only feeding, just increase overall nute feeding to 1300-1500? I use this recipe so I’m not sure exactly what to increase?
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Yes, feed them drain to waste (30% run off is good) to keep salts from acumulating. And drain to waste really don't let the runoff on their plates, trow it away or on your house garden.Thanks for the reply!
I’m doing 5ml/gal CalMag in each Bach of nutes and all in its finishing at ~1300, so I’m not diluting that too much? But it makes sense what you say because this started after the flush so maybe I un-buffered my coco? If that’s a thing?
I’m feeding 1pt 2x daily now so maybe I can sub one of those with CalMag water and see if it starts to clear up. I get about 1/2pt runoff each time, so like 50%
Plant was a lot more bunched up before but I’ve been trying to mainline this plant - I’ve been training it out and down while defoliating the lowest nodes and cutting bud sites. Once I get all the colas to the ring and each can turn upwards, I’ll stop that and probably flip to flower and let it do it’s thing (I think I’m doing this mostly right?)
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