Some help needed. Im growing an auto in super soil about 30 days in and some leaves have small yellow spots on them. Dont think its a fungus problem as spots dont rub off. All environment factors seem to be ok. Bit stuck as to what i can do. Thanks in advance
can you get us a pic mate?
The brand of soil is eco super soil. I have top fed it once with eco thrive about 2 weeks ago. Been giving water phd to 6.8 , last water was 6.15. Not sure of EC
Whats the RH in there and how often are you watering (assuming no nutes) ?
Looks like a bit of a magnesium deficiency to me... intra-veinal yellowing with those irregular dead spots. I also grow in supersoil and occasionally run into Mg def as well. As well, in a supersoil system, Mg is one of the more soluble elements and is relatively easily washed out, compared with others. I usually will treat it with Epsom Salts (MgSO4) - 2 tsp (~10mL) per gallon with every watering until morale improves.
Nice thick leaves though. 👍
So the epsom salts definately was improving things. But i just checked her today and has quite a few brown, dry and brittle leaves particulary at the bottom. Is this because i have over done it with magnesium?
I will get some pictures up soon
No, i don't think so. I'd say you were just too late to save those bits.. haha. It's on the oldest leaves of the plant so, that's where it would have taken the most Mg out of the soonest (in theory) so they'd be the first to go. No worries though. They should be just fine. Just keep it up with your regular regimen the ES until the leaves are nice and evenly green again.
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