What slow effects stack?

[Hilperi]

So I was considering a kelpie snare on my merc with freeze aura etc and I was wondering what all effects could be stacked, freeze aura, kelpie slow, glay golem, decrepify, frost damage, Blackhorn's Face slow?

[lAmebAdger]

afaik, weapon slow, curse slow and cold dmg slow (holy freeze is cold dmg) are the ones that stack,

i also think that clay golem uses normal weapon slow like kelpie, but I'm not sure..