i know some people have issues with miracle grow, but i have had much success with MG, i prefer (especially for outdoors) all purpose MG, it has 24-8-16 so it works great at 1/4 strength for seedlings and all through the veg state. its pretty much PH neutral, i dont know that for a fact but i test PH and MG doesnt need adjustment. also a good flowering fert is vigoro, its cheaper than MG and it offers 10-52-10 with same features as MG.