Scolymia7
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And it looks like you could be pretty heavily deficient in sulfur after examining the pictures. Do you have any epsom salt on hand? It will provide sulfur and magnesium.Sounds like you have been trying everything on the right track/order. When all else fails I always just whip up a batch of very basic compost tea to try and bring my microbe count back up.
Talk about pHLight- hlg 600/mhezi 300 for veg/seedling
Nutrients-gh 2 part(1/2 strength, cal-mag(2ml per gal), silicone(1ml per gallon) mid in r.o water ran with oxygen pump 24 hrs prior to mixing. Use powerhead to mix nutrients for atleast 15 min
Ph 5.8-6.1(calibrated blue lab montior)
Media- coco/perilite(using zoo med earth--worked first 2 times and locally available)
Light schedule- 20/4
Leaf temps(78-80°f)
Humidty 60-65%
I grew hydro for 4 years under hps. I wanted to give coco a try, first I just grew/flowered small plants fit in room with hydro to practice. After 2 successful grows I enjoyed the product/it being more simple to clean up. Now I'm going to do a full run with coco, and also switched to leds. 4 are from seed 2 are clones, all started with leds and coco.
My plants look like crap haha, not the end of the world, assumed I'd mess up somewhere lol. I'm at a dead end though, I've adjusted light height/intensity, nutrient strength, no cal-mag, no silicone, flushed, slowly started adding nutes, fan, foliar feed. I've not had plants look like this since first grow. I also did these steps over time not all at once. The 2 seeds are about 6weeks old, other 2 4 weeks, clones(2 bigger, yellowing ones) are older but heavily defoliated/topped under weak light to keep small till recently. I water when they feel light/ top slightly dry(never to point where plants wilt). No signs of pests, had gnats for 2ish weeks but with acv, soap, and water havent seen one in awhile. I have scoped leaves no sign of pests on them. It looks like they have everything wrong with them.
Any help or point in the right direction would be greatly appreciated.
Nutrients-gh 2 part(1/2 strength, cal-mag(2ml per gal), silicone(1ml per gallon) mid in r.o water ran with oxygen pump 24 hrs prior to mixing. Use powerhead to mix nutrients for atleast 15 min
Talk about pH
Sorry yes, when I said 2 part I meant the lucas formal for coco(6mL micro/ 9mL bloom).
That's an NPK ratio of 1-1.42-1.34 . That seems a little low on N for that stage of growth. I don't hit that till mid flower. I would be more 2-1-1.7 in veg. 1-1-1.8 in transition.
Also, you said half strength? If you were following the GH schedule, I would agree that's a wise thing to do. But, doesn't the Lucas schedule state what actually works? Not some hypothetical max that the manufacturers tend to engage in (which leads to people always starting at half strength)?
Is it customary for users of Lucas to use half strength? I wouldn't think so. I thought that was just a "margin of safety" thing when following manufacturer "recommended dosage."
I was curious if you were using 5.8 or 6.1 in cocoa, I don't use coco but I would keep it around 6.1, based on what I've observed on line 5.8 doesn't seem as popular in Coco, good luckWhat do you mean? I use proper ph (5.8-6.1). I dont use a cheap ph pen, and the blue lab ph monitor is calibrated regularly...infact it tells me when it wants calibrated,every 30 days with flashing lights. I rinse with r.o water after after every use. Between uses its stored properly in ph probe solution with twist on cap. Storage solution changed every time I calibrate.
That is all true, just came across a few threads on hear saying 6/9,. Which is straying off the Lucas formula 8/16.
Think you are right... That's what I have seen also for coco. But never grown in it.I was curious if you were using 5.8 or 6.1 in cocoa, I don't use coco but I would keep it around 6.1, based on what I've observed on line 5.8 doesn't seem as popular in Coco, good luck
See that all the time N is cut way to early +1FWIW: 8ml micro with 16ml bloom is NPK ratio 1 - 1.89 - 1.71. (689ppm) That's less nitrogen (as a ratio) than the OP is creating. I don't hit that till later in flower.
The OP's 6/9 is 1 - 1.42 - 1.34 (438ppm).
So, the problem is probably strength. But, in my way of growing, either way is cutting N too much too soon. But, I've never grown in coco. Maybe this works for that.
I run a live system and clean nothing. Between runs if I have a week or 2 of downtime I keep my filter running on a 5gal pail that I feed my bacteria small amounts of ammonia until running again and will clean out the rest of the system. If I keep going I just drain and fill and keep on truckin. I prefer to just keep running to keep my bacteria population healthy.I grew in rdwc for 3 years and it was fairly easy, got to a point of understanding the relationship between ppm and ph, I was topping off nutrients daily and doing water changes every 2 or 3 weeks sometimes 4 if working alot. I'll pry go back to it in a couple of grows, just liked the idea of not cleaning clay pebbles, pvc, return tubes, powerheads, or buckets for a while lol.
I'll post some pictures of them in a week or 2, hopefully it was just simply going back to 8/16. If not hydro set up is going right back in.
Thanks for all the timely replys everyone, they were defintly helpful.
I run a live system and clean nothing. Between runs if I have a week or 2 of downtime I keep my filter running on a 5gal pail that I feed my bacteria small amounts of ammonia until running again and will clean out the rest of the system. If I keep going I just drain and fill and keep on truckin. I prefer to just keep running to keep my bacteria population healthy.
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