i just need to get some tips on growing hydro this is my first time growing period so im a noob my plants are 10 days old they are reall tall but not much leaf production im using dyno-gro the main thing its that i don't know when to change the nutrient supply. Dyna-gro comes in three different part one of the its dyna-bloom and the other one its dyna-flower any sugestions will be greatly appreciated will be posting a diary soon. STAY HIGH