Dutch Passion Auto Mazar and the 7 Blackberry Kushes

[Terra Firma]

dam they went yellow fast im no expert in these things but looks like a bad ph issue causing lockout have u tried calibrating all your pens i only say this cause it looks exactly like what happened to my bcn critical

Yeah they did right. It's eating me up because I hate seeing my plants like this. I calibrate my pH pen every 4 weeks, and more often recently. Do you have a link to your grow? I'll go check it out.

 

[Trichome farmer]

Yeah they did right. It's eating me up because I hate seeing my plants like this. I calibrate my pH pen every 4 weeks, and more often recently. Do you have a link to your grow? I'll go check it out.

it was awhile back i wasnt using a pen haha my water was coming out perfect no need to check so i didnt untill it decide to jump up by 0.5 leaving it in the high 6s near 7 by the time i figured it out it was too late here the link it was some of my first autos dont judge too hard hahaha as the name suggested back then noob alert
https://www.autoflower.org/threads/autonoob-goes-critical-xxl.61220/

 

[Terra Firma]

it was awhile back i wasnt using a pen haha my water was coming out perfect no need to check so i didnt untill it decide to jump up by 0.5 leaving it in the high 6s near 7 by the time i figured it out it was too late here the link it was some of my first autos dont judge too hard hahaha as the name suggested back then noob alert
https://www.autoflower.org/threads/autonoob-goes-critical-xxl.61220/

I checked out your grow and do see some similarities in the deficiencies, but my pH can't be the problem.

 

[Terra Firma]

Day 67.
I've halved the amount of base flowering nutrients I'm feeding, lowered calcium to 0.1 ml/L, Magnesium to 0.25 ml/L and increased the PK booster to 2 ml/L. My theory is that an excess of Calcium is causing lockout and showing up as P and K deficiencies. Thankfully the plants are resuming flowering and producing new white pistils.

The flushed Auto Mazar is finally flowering again and is producing lots of white pistils.

 

[Trichome farmer]

I checked out your grow and do see some similarities in the deficiencies, but my pH can't be the problem.

something else causing lockout then maybe i know you said it wasnt ph but another thought just popped into my head are you checking the ph in the rez a day or two after if its not that how much cal mag you using i go at 1.5ml pretty much as soon as they can take it looking back at some of the older pics it does look like the start of a mag issue again lol with my current run i thought i was under feeding due to a yellowing so bumped up the e.c got tip burn so my thoughts turned to mag so next watering i gave them a low e.c feed but with alot of calmag it seemed to help they stop yellowing and went green again so i think i fixed the problem one way or another sorry for the ramble just trying to give you some ideas

 

[Terra Firma]

I think things have taken a turn for the better. The buds are becoming more frosty and I think they're slowly fattening up. Unfortunately one of the plants has decided to start foxtailing.

The Auto Mazar buds are really compact and steadily expanding. She's also being topfed AN Carboload every few days.

 

[Terra Firma]

something else causing lockout then maybe i know you said it wasnt ph but another thought just popped into my head are you checking the ph in the rez a day or two after if its not that how much cal mag you using i go at 1.5ml pretty much as soon as they can take it looking back at some of the older pics it does look like the start of a mag issue again lol with my current run i thought i was under feeding due to a yellowing so bumped up the e.c got tip burn so my thoughts turned to mag so next watering i gave them a low e.c feed but with alot of calmag it seemed to help they stop yellowing and went green again so i think i fixed the problem one way or another sorry for the ramble just trying to give you some ideas

Thanks for info.
I've decreased the amount of bloom A from 2 to 0.5 ml/L, kept bloom B at 2 ml/L, give them 2/3rds less CaO (0.3 ml/L) and a lot more MgO (1 ml/L). The tap water report stated it contains app. 42 mg/L of Ca and only 8 mg/L of Mg. My theory is that I was feeding too much extra Ca and caused lockouts. The plants are responding well to the decreased Ca.

 

[Terra Firma]

Day 85 bud porn. The BBK's are nearing completion.

 

[Terra Firma]

Auto Mazar bud porn @ day 85.

 

[Shiva's Mistress]

Beautiful grow. Love that rich canopy of purple and gold.
No ideas on what the problem may have been, sorry.
Though I usually go for full flush and re-start nutes and stuff when I have issues.
Just enjoying your full auto-pot tent under good lights!