I wish there were a way for you to edit the completely false statement in the original post (that Guillards F2 Fertilizer is an American product). As others have said, it's a formula. People can make it anywhere. you can make it.
When you make broad declarations like that people may think that you know what you are talking about. This is how misinformation spreads on forums.
When you make broad declarations like that people may think that you know what you are talking about. This is how misinformation spreads on forums.