DynaGro products suck balls. They are made from very cheap materials. Do you want your plants to eat a McDonalds cheese burger or a grass fed filet minion from a classy establishment?
I've never used Bloombasitic but I've heard good things. I personally like AN Big Bud,some damn good snake oil if you ask me.
DynaGrow however I do know is garbage that I would never feed my plants.
Word up.
i love Dynagrow grow, 10 ml per gallon, no need to ph, good to go!