Need help with autoflowers

[John d 123456789]

Does anyone have a idea what’s happening to my plants ? Bit worried as first time round any information anyone need let me know I’m positive they are not autoflowers as they are 8 weeks old and only a hand full of preflowers

 

[Yeatster]

What light are you using and what's the distance? Looks to me, it could be bleaching.

 

[John d 123456789]

Mars 300 18-21inches but it only bad in the one which is an inch lower than the other 2 here’s another picture of them today what the cause of bleaching the light being to close ? Also have brown spots coming on the leaves

 

[John d 123456789]

Can see a few brown spots on this picture I’ve been thinking some deficiency yellow leaves dropping brown spots slow growth ? But seems to spreading to my other 2 now :/

 

[John d 123456789]

This is all. Them today

 

[Time]

I'm not the one to listen to as I'm only 10 days into my first plant ever but looking at the
Quick and Dirty deficiency picture depot

I'd guess magnesium deficiency. And maybe calcium too.

But like I said, I just looked at the pictures in that thread. Best wait for somebody that actually knows something.

 

[DTOM420]

If they’re not in flower at 8 weeks, they are not autos or something

What are you feeding them currently?

Really need a bit more info for anyone to help. There’s a pinned thread in the infirmary section that explains the basic info that should be provided with each problem posted in this section. Here are the basics, though:

Problem:

Medium/grow method:

Feed: and supplements used:

water source:

Strain/age:

light used:

Climate:

Additional info:

They look hungry for something, though. A good veg fertilizer that’s not super hot and used at 1/2 strength in properly pH’d water with some cal/mag won’t hurt things till you get a more definitive diagnosis.

I’d also want to know pH of the water/nute solution you feed, the soil pH if you have a tester and the size of your container.

 

[John d 123456789]

I kinda gathered thought il still give em a shot in currently feeding bloom and grow and 1/4 strength and every few waterings just plain water ph to 6.5 gave first cal mag when this issue happened my problem is yellowing and wilting of leaves which seems to be spreading to my other plants my medium is biobizz light mix feed grow and bloom and plain water every other water the strain is Critical auto which it is not 300 watt led mars hydro humidity 40%-60% temps 21-26 Celsius that’s what I’ve been thinking but unsure myself I ph my feed to 6.5 plus or minus a point and don’t own a soil meter guessing be a good thing to have ?

 

[Waira]

feeds are on the weak side, so up the dosage,.. color fade on the tops that persists is likely a micronutrient defc., hard to say which this early, but most commonly it'd Zn or Fe,...
what breeder are these seeds, and strain? Sometime the "auto" expression is weak, or not happening at all,.. usually a breeding quality issue, or a packing error- .... some will eventually auto, just not within the typical 3-4 weeks, so it becomes a waiting game.gamble,.. you can give them a week or two longer and see, or shift your MO and treat them like true photo's, which they may be,....

 

[John d 123456789]

Didn’t wanna overdo and get nutrient burn it says 3-4ml for mature plants what should I give em u reckon ? Is there anything I can give I help don’t wanna loose my first crop unsure of name of breeder but know it’s a Spanish breeder yeah that’s what I’ve been thinking I already switched to 12/12 as no preflower at 9 weeks confirmed it wasent an auto think I’ve seen pre flowers coming it seems to be coming on my other but it at early stage so wanna try save them 2 before it get bad as the 3rd il attach a picture to show you I done defoliation on the worse one to remove all the bad leafs what’s the brown spots about ? Sorry for all the questions just wanna get something to smoke first time round again everything was good till about 8 days ago can you see it coming on the other 2 does it means what it is can be spread cause looks like the same thing