Blog
Fishkeeping tips, fish health, and the tech behind watching a tank with an old phone.
Hearing a stopped pump with an old phone's microphone
When a pump stops, the room gets a little quieter. How Keepova hears it: tracking the noise floor instead of volume, ignoring TV and talk, and its limits.
White spots on fish? How to spot and treat ich
Salt-like white spots on a fish's body and fins usually mean ich. Photos from our tank, why to keep treating after the spots are gone, and common treatments.
Aquarium filter or pump stopped? Signs and what to do
How to tell your aquarium filter or pump has stopped, why it happens, what to do first, and how to safely restart a canister filter that sat idle for hours.
Why are my fish gasping at the surface?
Fish crowding the surface and gulping air isn't always low oxygen. How to spot surface gasping, find the cause, what to do right away and how to prevent it.
Old phone as an aquarium camera: placement, power, heat
A spare phone can watch your aquarium around the clock. Where to put it for a clear view, how to avoid glare, and how to keep it powered, cool and safe.