Is this stuff ok

[Ozzy420]

Hey all i am on my 1st grow i am useing potting mix with 50% perlite and was given this stuff called miracle-gro i was told by the dude that it is good shit for veg and bud he said to make up a weak batch every 3rd to 4th refill of the water tank. the tank i have is a 5lt bottle that i am going to set up a drip sys with dose this sound rite because i was going to make it up as it says and do it every 2nd refill so there it not to much of a over fert dose sound ok all comments and help would be grate

 

Bong on aussie

ozmade