Happy frog is very friendly medium for what we grow, among other things. A lot of growers use it. Fox Farms actually makes all it’s soils to be cannabis friendly.
You could go with ocean forest, you won’t need to add nutes for awhile. Once PPM readings are low or the girls have depleted the nutes, you can start adding nutes. Yes, Happy frog works well for most nutrient products, including AN pH perfect.
Looks like you are in fabric pots? If so, I have never transfered from fabric pots. I have seen it done successfully.
Read this, he is my mentor and uses happy frog with the entire AN line of nutes.