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Today's pictures again each plant respectively followed by pics with damaged parts close up.

Yes you are right. They are irrigated by a controller but they don't get water during the night. Thanks for your advice. I will now irrigate them 1h after dark and in the middle of the night after 6 more hours.

Ok thanks noted. But I don't use tap water. Solely distilled with nutrients. Is that bad? Btw 400 ppm means 800 μS/cm right? Also I don't use tap but distilled water. Is that a problem? And as I just switched to 12/12 I would need to shorten the duration between irrigation intervals from 4h...

I feed them 5min 5 times a day. 0 at night. I had an EC increase again yesterday from 1500-1600 to 1800-1900 because I thought a decrease in EC means I can add more nutrients. I will go back to 1400 which seemed to work. Should I up the watering cycle to 15min? On a side note; I switched to...

Hi everyone, Water consumption rose over the last few days and EC went down from about 1300 to 1200 μS/cm for the first time in weeks. Ph is about stable around 5.9. But the deficiency/symptom seems to progress. Updated pictures attached. 4 pictures of the plants, one for each. And 4...

Pictures from today. Damaged leaves very clear to see. @Wastei On a side note I use distilled water but add about 7ml of mineralic calmag to 10l of water. until i read about 0.4 mS/cm

ok thank you that could be it. I in fact use high intensity LEDs from Luminus. I can increase the distance. I have about 300W for the space you already saw many times here. 1.5m x 0.9m (5ft x 3ft) is the size of the tent but I think that they use up about 0.75m² (8 ft²). They should probably put...

@Wastei Could the pics I posted earlier show signs of potassium deficiency?

So you are essentially saying that I should switch away from pebbles?

I don't think we have the same type of deficiency/damage right?

They are top feed. Do you mean I should have used coco instead of clay pebbles? What do you mean by water to run off?

Todays pictures. First 4 are the plants respectively and the last 2 are a leaf showing a very distinct damage. Is this nutrient burn/deficiency? I need your help with this one

Hi, they seem to do better although still some signs of not well-being. Ec was stable for 2 days now and ph only rose a little (which is normal I guess). Please take a look at them and tell me what you think. Is still something off or is this just recovery? The leaves are pretty light colored...

Ah okay thank you. I also just swapped relais of my build. I had a few problems there. My aeroponics nozzles would be fed by a gravity pressurised nutrient line and a high pressure air line to achieve air atomizing aeroponics. So recirculating the rez was not problematic for you? That's good...

Ok thanks I'll stick to that. 3ppm NaClO added to everything

Ok thanks

Definitely not the best resolution or angle but could still be useful. That's a time lapse from Feb 04 evening up to now. Sorry it's zipped, but it wouldn't let me upload the mp4 directly. I would really appreciate you taking a look and telling me if the photos reflect what you are...

@Wastei How often should I top up with bleach? You said every 2/3 days. Should I add full strength (5ppm NaClO) every 3 days?

Hey! Sorry to dig out this thread, but as you are the guy currently helping me with my irrigation problem and who already has experience with aeroponics I thought I'm just gonna ask here because I'm also trying to set it up. Should my irrigation problems continue, I will probably switch sooner...

I had open ended flex hosing that pretty much had the same effect as just dumping in a few litres but moved away from it because I thought that my irrigation problems started there with too much water and improper distribution. That's why I switched to diy rings.