Do a search for a free script called Weird Juice Drops.  It's a free Poser Python metablob modeler.  Weird Juice also has commercial products which apply physical simulations for water effects, I think, but I've never seen a post by anyone who's used the commercial versions.

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Cage can be an opinionated jerk who posts without thinking.  He apologizes for this.  He's honestly not trying to be a turkeyhead.

Cage had some freebies, compatible with Poser 11 and below.  His Python scripts were saved at archive.org, along with the rest of the Morphography site, where they were hosted.