That's from something u split on it
Very easy 2 tell. The drop spots are A typical or something split. And as with droplets of liquid. If the light is too high. The water acts like a type of magnifier tat burns the pigment imo
More pressing would be your mag def. If you're using soil
Epsom Salt is the best source of mag/sulphur for a plant. You can also use as a foilar spray. Which you she will benefit from..
150ppm added to your tap..
If u do use ESalt make sure its pure, (no aloe Vera or anything like tat)
Topically ppl just get a calmag
Loads of really good1s on the market
Ones with amnio acids and so on.