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Not a Not a fan of CalMag then...?

The rusty spots are very VERY rusty coloured...its more a case of damaged leaves getting worse than the damage spreading but still i dont want it! Looks very similar to initial symptoms which improved with CalMag...so im tempted to give her a bit more and see how she does...

Thanks, she stabilised overnight which is good news, ppm 1250 pH 5.8 she just seemed to go nuts after the res change for some reason. Spots dont appear to speading that badly but i dont waht any more! Thanks!

Cheers. Man...weird shit going on in bucket. Since rez change about 10 hours ago - ppm up from 1200 to 1320, ph up from 5.8 to 7. They are both flying up...and i have no idea whats causing it! Any ideas?

Ok many thanks for the reply. As you say pH/ppm levels aren't right (just checked overnight, ppm up 200, pH up to 7!!) basically I'm letting things drift far too much. I check/readjust in the morning, I really need to start monitoring a bit better, eg checking before I go to bed. Will do a rez...

Hmm. Ok! Any ideas what it might be then? pH was up to 7 this morning too high i know, but i dunno if plants would react that quickly when the pH is off...? Cheers!

Is this the calcium deficiency too? Quick look online and i thought yep looks like it.

I think it was a few things, i moved her into my living room which had crazy low humidity (20%) which didnt help, plus cal def, she definitely improved with added CalMag as suggested by the guys here.

Scrog update if anyones interested...she's not quite as evenly spread out as id like, need to fill the two nearest corners. There is some tip burn i think thats the nutes, im throwing a bit more at her than i probably should (ppm rising 60-80 over a day). Otherwise i think she looks great, hope...

Cheers :) My first scrog, its kinda fun tucking and tying the tips down! Yeah i just drilled holes 5cm apart and threaded some string through to make the net. If youre interested...? https://www.rollitup.org/t/super-simple-scrog.1017446/

Sweet that seems to have done the trick, ppm and pH stable :) Put my scrog in last night shes looking ok to me... Cheers guys yous the best!

I do exactly what you plan to - single plant in 2x2, knock off basic QB288 135w jobby think i paid maybe 140? Its been brilliant. Ive got 1.5g/w easily, actually both my grows i lost maybe 20% to mould (my fault, need more ventilation) so thats probably more like 1.7g/w.

Hiya Pics are self explanatory, i thought of a few ways to support the frame with something attached to the dwc lid but i imagined that would be a pain. 4 hooks in frame corners, clip onto string strung to tent poles. Great thing is i will be able to just slide it up when i need to remove the...

Ok you all seem agreed thats good :) Just put 200ppm of CalMag in my rez lets see how she does...or should that be more? Thanks chaps :)

24-28° or thereabouts. Yeah ive been thinking all along it might be a deficiency. Gonna bump ppm up from 900 to 1100 and see what that does. Will read up on VPD. Thanks!

Hiya My other thread has died so ill ask here - 6 wk old DP Strawberry Cough in DWC under basic 135w QB. Temps, pH, normal, ppm is actually dropping 100 a day so shes feeding. Overnight the damage spread a lot, and the only thing was different was that the humidity dropped pretty low, 35%. And...

Id say absolutely not, whats up?

Well she's battling on but shes still not happy...pH has been in range 5.8 - 6.3 for two days now, and still the damage seems to be spreading albeit slowly...ppm is dropping 100 every 24 hours, she's at 700 now. Could this be a good old fashioned deficiency....? Im tempted to throw 1000ppm at...

Ok thanks, ppm actually dropped pretty dramatically yesterday, from 500 to 350 over about 12 hours. I gave her 600 this morning lets see how she does with that. pH slowly drifting down from 6.3 ill catch it at 5.8 up bump it up again. Also got an analogue RH meter cos i didnt trust my digital...

I was doing it to 5.8 and it was down to 5.2 after 6 hours yesterday - not good