This update adds a water quality system to the fish tanks. The various water chemistry parameters are influenced by and in turn affect various add-ons and fish in the tank. The parameters can be monitored by selecting a tank and then clicking on the water chemistry button on the top right.
Update 30-08-2026
Source: Steam Community (opens in a new tab)
Build and release context
Steam update times within 24 hours of this post. Matching dates do not confirm which build it describes.
Build 25020321 · public branch
Steam updated · First observed