What's up with these?

Boags

New Member
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hey folks whats up with this plant?

white dwarf
dwc
ph5.8
ec 0.5
ionic nutes
budmaster cob 4 light 10-12 inch away from tops

any ideas?

cheers
 
Agreed. Looks like a fairly advanced Calcium deficit with the start of a magnesium def showing as well. It's more calcium than mag though. Calcium isn't as mobile as mag so it tends be able to start higher up on the upper leafs. That's where the worst of yours seems to be. The bending of some of the lower leafs say a mag deficit isn't far behind.
 
That's what I thought.
I have the best tap water in the world economy ec is 0 out the tap
I used to used hesi nutes. After reading the bottle I realised there was no cal or mag in the mix
Changed to ionic soft water nutes 3 days ago
And added 2ml per litre of cal mag aswell

Will they recover ok?

Any ideas how long I have to chop ? Roughly

Thanks folks
 
they will show a mild recovery only, because veg time is over.

they have weeks left before chop and should still get big :bongrip:
 
its def calmag and you will be able to rectify it but some damage will be done.

If your starting water is 0ec add calmag until its 0.3ec. then bump nutes up to 1.2-1.4. Ionic is really good nutes and simple and cheap. I swear by them. 0.5ec is very low for flowering plants even in dwc. What power is the COB?
 
200w a thought the light was causing a bit of burn
Because veg a was over feeding
Had nitrogen burn at 0.5
 
Leafs were curling down they were very dark aswel. I dropped the ec from 0.8 to 0.3 and they looked loads better within a few weeks
Then a changed light from a 100w mars to budmaster 200w then all this has happened
Hence why am thinking light burn
Plus a have been using hard water nutes when a should have been using soft water nutes
A give them a good dose of pk and cal mag today kept the Base nutes the same

Base nutes was 0.5ec gave them 10ml of pk and 20 mil of cal mag
That put the ec to 0.7
 
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