Quote Originally Posted by keith_r
don't just add an aquarium plant fertilizer, even if it says "fish safe" it may be safe for fish not meant for consumption.. read up on what is contained in anything before you add it..
maxicrop with iron is made from seaweed, and is safe for fish that will be eaten
Sound advice. Maxicrop is pretty darn expensive though, but again if money isn't an issue, that's a good way to start.