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Well shes hanging in there. Ive really tried to take on board what ive been told here and not to overfeed so ppm has been very low about 420 ish. But theres new signs of deficiency which again looks like Ca to me so ive bumped her up to about 480ppm with pure CalMag. Consisdering my water is...

The damage got much worse yesterday :( its so frustrating when plants get sick! I gave her a big shot of CalMag cos it looked like a Ca deficiency which brought ppm up to 660 but after 12 hours that hadnt changed so i reduced it to 580. Noticed all the fan leave tips are looking a bit burned so...

Ok ta. Hopefully she pulls through.

Weird things going on in bucket. After switching to bloom butes, pH shot up from 6 to 7, ppm dropped from 520 to 330 in 24 hours which is a huge drop. Also noticed spme rusty spots on the very top leaves. Possibly from the pH too high, i dunno. But it looks more like a Ca issue than a Mg issue...

Ca 2.4% Mg 2%. You think im better off using the epsom salts rather than CalMag?

Ok cheers man, the Canna Aqua is 4-4-11 with 2% Mg according to the datasheets. Is that enough?

Switched over to bloom nutes today gave her 520ppm. I think the shot of epsom salts did her some good and shes looking OK, a bit gangly for my liking but Im a sativa guy so thats par for the course i guess.

So you think i need a chiller?

Hmmm. Interesting. Over the last 24 hours no change to ppm, 570...not sure if thats a good or a bad thing?

From 500 she only dropped to 470 overnight but the rez level dropped a lot. I topped her up with water and added some epsom salts which brought me to about 530 but then made a bit of a mess getting the pH right and needed a lot of ph up/down so it ended up about 570. But the tip burn hasnt got...

Yes in an ideal world id have a chiller, not disputing that. But i dont have the cash for one,and i dont have the skills to salvage one from a freezer. I used to have a cheap aquarium thermometer to measure the rez temps but ive managed ok without it. At peak summer like i said yes my rez get...

Ok fair enough, but if you do check with multiple devices, and they dont agree what then? I had a RH issue one summer. I had a reading on my dehumidifier, a digital hygrometer and an analogue hygrometer. All different. Which one was i supposed to believe? After multiple purchases I have a pH...

@Onextremebuzz appreciate the input man, yes of course having a stable rez temp will help, but if i understand you correctly youre saying the water temp affects pH, but my pH is stable which ultimately is all that matters. Ive probably done 7/8 dwc grows now, obviously my set up/skills arent...

Ok thanks. I grow autos, Im running my lights 24/7, as do many auto growers. So there is no fluctuation in water temps. But might be time to change that to 20/4 or 18/6.

Sorry mate. Well that's what makes me think it's not a water temp issue, pH stable, 5.7 - 6.3. And when I use my ppm pen it gives temps, 18-20°c.

Not sure about that, but ive done dwc in summer when the rez temps get really high so i know how that feels, i think the water temp is ok. Ok great yeah i was thinking something similar. So after topping her up with water yesterday shes now at 500ppm (my water is about 170) should i lower it...

Appreciate the feedback gents. What i see now are 3 things 1) a bit of N toxicity 2) a bit of Mg deficiency and 3) beginnings of nute burn, leaf tips are looking a bit burnt. Yesterday she had 730ppm that dropped to 600 topped her up with water so shes down to about 530 now. Gonna give her a...

Actually bro that was my other plant, i discovered my air stone was totally blocked so she was basically drowning which might explain why she was such a mess. Thats been fixed and she seems a bit happier with some proper bubbles in the bucket.

Appreciate the replies doods. Ok here she is: This is what looks like N toxicity, but tbh its only here and there, its not allover the plant... And heres what i think is Mg deficiency: Haha sorry dude shouldve said im in DWC, but thanks anyway! If i look at my notes, im basically lettign...

Hiya I have a girl who is not doing terribly well. 2 things are apparent, there is some clawing at the end of the fan leaves, which suggests N toxicity. Also there is some yellowing between the veins which suggests a Mg deficiency. I just wondered are the 2 things connected, like if you have an...