Ok, after looking at my local Home Depot's website, I see the meter and PH down I want to use, how do I lower the PH in the soil? Will it automatically adjust with the corrected water? Quick replies are appreciated as I'm about to go down to the store here soon.

Edit: I'm going to pick up some Blood Meal, I've read that this will do the trick for what I need.
Lawladash Reviewed by Lawladash on . Small Necrosis on young plants I'm not sure why, but I'm getting some brown spots and yellowing on my young plants. What is your experience level? (first timer, novice, experienced...) I've done an outdoor grow and an indoor, so still learning. Your Equipment: .1) Type and wattage of lights. (MH, HPS, CFL's, tube fluorescents, LED's) 1000W MH and 3 T8 .2) Distance from tops? MH is almost 2 feet and the florescents are about a foot .3) Reflector type? (cool tube set-up, bat wing, enclosed Rating: 5