I need help identifying the deficiency on the lower leaves, looks like a combination of cal and mag ? Your opinions will be greatly appreciated. I was thinking of adding some calmag from the local grow store.
That’s not cal/mag at all it’s phosphorus/potassium burn plants of that size shouldn’t be getting any nutes yet. The burn isn’t severe but it is definitely not a cal/mag issue
Imo it's a cal/mag for sure. If you don't have any on hand, you can use some Epsom salt or even a small amount of molasses (1/2 tsp./gal.).. Calimagic is what I use, and I haven't had an issue since using it.