Plant foods, they frozen while in shipment

oh and how does one add nitrate as the guys says to?? maybe someone can tell me what these mean??

KN03 , KH2P04, K2S04 , Trace,
 
yupp plus on the bottle it says keep refrigerated after opening

I have been using Flourish Excel for years and nowhere on the bottle has it ever said to refrigerate nor have I ever done so.

However, if I remember from years back when I got my one and only bottle of Flourish (which I soon replaced with something else), that did say to refrigerate.
 
Flourish Trace and excel do not require refrigeration

Flourish recommends it after opening but it is not needed.

Yep, that's right.
 
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