System for Adding Air to a Pond

This page is the CodyCross answer for the clue below from Inside the Spaceship, Group 1192, Puzzle 3 (The Golden State).

Question is: System for Adding Air to a Pond

and the answer is: AERATION

Word Meaning:

AERATION — The process by which air is circulated through or mixed with a substance such as soil or a liquid.

Definitions from Wiktionary.