What day is that on? 9. If so. Growth is normal.
But, again, looking at it. It's all over your plant. So, I think it's a pigment mutation without knowing your PH its 1 r the other.
You'll know if it's PH as she gets older. Best to get a decent pen if you going to be using coco and stuff like that.
Milwaukee ph55 is a good pen. Like 60 bucks. And the storage solution is about 20 also. Any ph pen that has a glass diode has to be stored in a solution.. can't be tap.