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I made the switch to Autopots about three weeks ago. The first two weeks went really well, but this past week is when issues started showing up. Looking back, I think I was running the EC too high. The plants weren’t absorbing everything, and the excess started building up in the root zone...

Just a quick update — I ended up taking about half the plants out of the veg tent to give them a proper flush. When I checked the EC at the root zone, it was way too high, so I flushed with pH’d RO water until the Bluelab Pulse showed it down around .5 EC. That part alone took several hours...

I check the PH of the reservoir every other day. I also check my pens calibration on a weekly basis and it's always on point. I'm always on top of the PH and the reservoir EC, one thing I never took into consideration is the salt build up. So, now I am starting to address that.

I did check all of that when I first set up the system, but I’ll go over everything again today once the lights come back on, just to make sure it’s all working properly. I didn’t add the two inches of hydroton at the bottom this time, but I actually still have some left over from when I used...

Room hasn't been above 82F

Autopots recommends starting as top feed until roots get established. Then switch over to the autopot method.

This is the medium I’ve been using, and since my setup runs on AutoPots, I don’t control how often they’re fed—they’re consistently supplied and take in what they need. I had been feeding at an EC of around 1.2, but I’m starting to think that may have been too high. I recently picked up a...

Not exactly sure what’s going on—things were looking great with the plants, and then suddenly… they weren’t. Nothing obvious changed, but here’s a little context. I’m growing Skunk #1 from seed in a 1-gallon fabric nursery pot using a 70/30 coco-perlite mix, feeding with Jack’s 321. Everything...

Is this normal is the late stages of flower?

When I first posted this thread, I was finishing up my 55-gallon reservoir. For the next batch of nutrients, I made a few changes: I left out the PowerSi, lowered the EC from around 2.0 to 1.6, and added Hydroguard at the recommended dose. Now, I’ve got some good news and bad news to report...

I did try running a lighter nutrient solution at first, but I started seeing deficiencies. That’s when I came across Jack’s recommendation of 2.4 EC, and I saw others talking about pushing it to 3.0 or higher. I never went that far, but now I’m wondering if my average EC of around 2.0 might...

Hey everyone, I’ve been running into a bit of an issue with my 55-gallon reservoir, and I’m hoping someone here might have some insight. After a few days, I start noticing this dark brown sludge on the walls of the reservoir, and when I drain it, there’s a decent amount of dark brown flakes at...

I get it now and totally agree—I was definitely treating the coco like soil before. Appreciate the advice! Quick update: it’s been 3 days since I started heavily fertigating daily, multiple times a day, and honestly, my plants have never looked healthier. Thanks for steering me in the right...

Coco definitely loves its water. I got my fertigation setup to feed three times daily now and I still sometimes feed by hand in between, my plants have never looked happier. @MickFoster was a blessing for me, I don’t know if it was what he said or how he said it that resonated with me, but he...

This is coco

It’s only been about 24 hours, but with more frequent feedings, I can already see some improvement. Still a work in progress, but we’re getting there. Big thanks to everyone for the advice and sharing your knowledge!

Appreciate the info and the confidence boost. I’ll start feeding more often to keep the coco more saturated like you suggested. Also, thanks for the link—looks like I’ve got some reading to do. I’ll update this thread with how things go. Fingers crossed!

Just to clarify, when I say drain-to-waste, I mean that all my runoff gets pulled out with the FloraFlex drainage system and tossed. I know some folks collect and reuse their runoff, so I just wanted to clear that up About keeping the medium saturated and feeding twice a day, I’ve read a lot of...

I'd disagree that I'm treating it like soil. I have a drain to waste configuration setup and every time I feed, I feed until substantial runoff. I feed with nutrients every time I water and I don't water until the top of the medium isn't dark in color, which is at the moment every 2nd day...

After looking into it more, I think you guys are right—my coco perlite mix is probably too compacted and messing with drainage. I gave one of the fabric pots a little massage before feeding tonight to see if that helps in the next few days. If anyone’s got other tips or tricks, I’m all ears. I...