Seachem: Flourish VS Flourish Trace

[NewbieFish]

So I was reading the ingrediant lists for Flourish and Flourish Trace. The two seem almost the same except Flourish contains a bit of NPK. If anything Trace seemed to contain less of alot of the trace minerals in comparison to regular Flourish. Is there any actual advantage of using Trace instead of Regular if you are dosing NPK separately anyway?

http://www.seachem.com/products/product_pages/Flourish.html
http://www.seachem.com/products/product_pages/FlourishTrace.html

 

[Bk718]

If one wants exact levels of NPK/Iron then he would dose NPK/Iron separately with just trace. That way the levels from regular flourish dont throw anything off

 

[Mgamer20o0]

trace is just watered down even more so flourish no need to use it.