Optimum ph in hydo 5.2

Hey i have used the same brand for years Gold Label from amsterdam.
I have recently gone over to hydro and everyone says 5.5 to 6.5 but my nutrient sceduelue from the nutrient company and they state 5.2 in PH se below. Why do they do they write 5.2??? / flodas

https://shop.textalk.se/shop/17746/files/nutrients/gl3-17746-3077591-shopw-372dfe.jpg

hmmm,wierd.

Maybe they didn't know Arabic numerals and confused 2 with 5?

Woh!! Jondamon!! I haven't seen you in like 5 years!!!