The humble plunger has turned out to be an excellent source of watery monster sounds!
And with The Plunger SFX library, you get 300+ sounds (24 bit/96 KHz) to work with, created using the plunger and a bucket filled with water in two locations (Room and Vine cellar reverb). 20 sea monster sounds as well as some stretched examples are already included with the pack, and you can easily make more yourself.
In addition you also get the dry version of the samples (we removed the reverb), body hits with the plunger (!) and blowing bubbles with the straw.
So why did we record that plunger in the first place? The reason is that we needed to create some watery monster sounds that sounded organic. Stretching the sound and applying some effects gave us the result we wanted. You can do the same and take it even further with your sound design skills