Should i increase nutes? ppm dropping but burnt tips

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POTNU

Member
Hi, as tittle says i'm looking for advice from more experienced growers as if i should increase my nutrient concentration.
plantes started developing flowers a week ago, ppm is dropping in what i consider a pretty fast pace but i got some burnt tips.
my last res change was at 1.65ec last friday, res now is at 1.5 ec, ph is stable.
i already increased my ec a bit by 0.2 this last change, should i go further?
 

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POTNU

Member
HydoDan said:
Burnt tips are saying back off to 1.0 ec.. Most plants do well at 1.2
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uhmm, my belive was if ph is stable but ppm is dropping i should be increase nutrient concentration as in the chart below, been following this rule, this is my 6th grow, but haven't run in a situation where id get burnt tipis till now. Also this is the one where i was able to dial VPD the best, so i'm at a bit of a loss, afraid if i just add some more plain water to the res i would be underfeeding them.
 

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futurebanjo

futurebanjo

Well-Known Member
Yeah... is your water level dropping or stable? if so, I'd just add some fresh water top-up for now, and re-measure everything in 24hrs time... I wouldn't give them any more feed right now.
 
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P

POTNU

Member
futurebanjo said:
Yeah... is your water level dropping or stable? if so, I'd just add some fresh water top-up for now, and re-measure everything in 24hrs time... I wouldn't give them any more feed right now.
Click to expand...
they are drinking quite a lot rn, for the first time on this run i will have to top off the res before the weekly solution change.
 
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