Log a water test
Enter what your kit reads. Tankmate tells you what to do — not just stores a number.
History
Trends
The rate of change matters more than any single reading.
Feeding
Daily schedule
Morning — Tetra Micro Granules, one 3-finger pinch (gone in 60 s). If food hits the bottom, it was too much.
After lights-out — ONE item from the rotation below. If in doubt, feed less.
Sinking rotation
Incident playbook
Almost every freshwater emergency has the same first move: a partial water change.
Holiday handover
A friend-proof sheet for when you're away. No app does this — that's the point.