FX-2 powder or TFX2 liquid... difference?

[MMfoto]

Hi, just wondering if there is any significant difference between the Formulary's FX2 kits and the TFX-2 liquid version. I'm basically trying to make it easier and cheaper to obtain. It cost around $18 to ship two bottles of the liquid...

 

[Photo Engineer]

If you click on an item in their catalog, you can see the MSDS sheet and compare the two.

PE