FIC: "Hydrodynamics for Beginners" (Sanctuary, Helen/Will, NC-17)

Sanctuary, Helen/Will, NC-17, 2100 words. Written for the sanctuary_kink prompt "Helen/Will, soaking wet."

I started this like three weeks ago, and then let it languish until shetiger wrote me awesome porn. Which makes her beta-reading and cheerleading all the more amazing. &hearts

Summary: Installing a new addition into Sally's tank could have gone more smoothly.

( Hydrodynamics for Beginners )