De or het sagomelk?

The correct Dutch article is:

de sagomelk

How to use sagomelk

the sagomelkde sagomelk
this sagomelkdeze sagomelk
that sagomelkdie sagomelk
our sagomelkonze sagomelk
your sagomelkjouw sagomelk
every sagomelkelke sagomelk
which sagomelk?welke sagomelk?
a big sagomelk / the big sagomelkeen grote sagomelk, de grote sagomelk