Please help to reveal deficiency

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Latvian

Latvian

Hello guys, please hellp to reveal young cannabis plant deficiency

ph 5.8-5.9 dwc setup
PPM - 300 GH Flora 3 part

Light brown spots on lower fan leaves. I think mby its calcium def or mg ? Thank you! CHEERS!
 
Latvian

Latvian

Looks like not enough nutrients. What and how much are you feeding them? Ph?

Some of them are like curling down inside...
here is more photos. Btw. I added Cal+Mag and rised ppm. also ph 6.10 for better calcium uptake. Need to wait week or so to see results.
 
Latvian

Latvian

It was root slime. Nothing helped, not H202 not calcium hypochlore, nothing. 2 months fight lost... First time see such a POWERFULL root slime bacteria.. I submerget roots in 6% h202 on 24h and wash all system with chlorine. Pots, tubes ALL. But still she gets back after 1 week..... I dont know why, but nowaday those root rot slimes ar MUCH powerfull .... strange. And Im not alone who told this... Ps. Water temp 17c with chiller....
 
Tasty Buds

Tasty Buds

It's PH. Make sure you're ph is rising. Start at 5.5, it should go to 5.8 in a day, or 2. Water temp 68! Very important. Feed no higher than 350 bpm. If using tap, make sure it's under 220, and subtract 120 from that (an example) Always check for Aphids! Always
 
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