Another thing new people need to consider is their tap water. Find out what's in it before adding ANYTHING to your tank. Alot of cities and states have web sites with water composition, and if you call and ask they are required by law to send you something that also has a complete breakdown.
Don't go adding NO3 until you've seen that you need it, or any macro nutrient for that matter. NO3 is the most troublesome nutrient, IME. Much more so than PO4 or Iron.
HTH
Don't go adding NO3 until you've seen that you need it, or any macro nutrient for that matter. NO3 is the most troublesome nutrient, IME. Much more so than PO4 or Iron.
HTH
