NEWBIE PANIC!!!

[Sheriffatman]

Hi peoples
Was all going so well ( ish ), started getting frosty yesterday at day 41, and day 42 ( today) I noticed some dark orange spots on one leaf , its now on a 2nd leaf which I’m sure wasn’t there this morning, and some lighter yellowing spots are appearing here n there so I guess there gonna turn the same way aswell. With my limited knowledge I say it’s a cal or mag deficiency . Don’t want to start correcting anything unless I know for sure what’s going on. Any ideas you knowledgeable lot.
Happy 420 to all.
The Sheriff

 

[Sheriffatman]

I don’t think it’s a rust fungus, I just removed the leaves ASAP, i rubbed my finger over the defect and there was no residue or spores , so hopefully not rust fungus.

 

[Bob's Auto's]

Don't panic dude. Those plants still look great.
In case you don't already have this

 

[Sheriffatman]

Don't panic dude. Those plants still look great.
In case you don't already have this
View attachment 1309464

Cheers bud, how did you get on with your zkittlez Grow?

 

[Bill.de.Cat]

Don't panic dude. Those plants still look great.
In case you don't already have this
View attachment 1309464

Where did you get that and is it available as a poster sized sheet. Perfect for framing, lol

 

[Autofire]

Soil or hydro mate? If hydro what kind?

 

[Tom Bombadil]

looks like early sign of calcium def., typical at that stage

what soil/media,
amendments,
nutrients,
temp,
rh,
water type
(spring, tap)?

 

[Sheriffatman]

Coco lite eco thrive70/30 1% charge , straight out the bag into 5G root pouch
full canna range for nutes, but left out the pk so far
Temps 25/26 lights on- 21-22 lights off, sometimes lights off temp creep up if it’s a warm day in my loft.
Rh 40/50% mainly hangs around the 40 mark
tap water left for 24 hours and bubbled. Starting ec .5
5 litre feeds once A day
10ml a-b
only 1.5 ml rhiz now
5ml cannazym
4 ml boost
ph down - vitalink 6.2
this will give me between 800-1000 ppm
and my ec is about 1.6 more often than not it’s slightly higher than that and I’m not comfortable with it but can never seem to get it down.
I water fairly slowly and get about 1.5 litres back from the 5 I put in.
week three she went bright lime coloured gave her calmag she was fine, was told my starting water didnt need calmag so I stopped and she was fine .
I definitely need some guidance with this feed business. I’m trying lol.
Thanks peoples
The Sheriff

 

[Autofire]

I'm a year into growing in Coco and I've had the same problem in several grows. Your Coco needs a flush. With most nute lines Coco gets out of balance if it's not flushed about once every fortnight after week 4 or 5 of the plants life.

 

[Sheriffatman]

I'm a year into growing in Coco and I've had the same problem in several grows. Your Coco needs a flush. With most nute lines Coco gets out of balance if it's not flushed about once every fortnight after week 4 or 5 of the plants life.

Nice ok so do I use just plain ph water or a very light feed of just a- b. How much run off is considered a good amount for a flush, . Do I leave it after a flush until next it’s next feed and go back to normal.?