Read tank levels and set a low-tank alarm
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Each tank card shows its current level as a percentage of capacity. You can set an alarm so you're warned before a tank gets too low (or, for a holding tank, too full).
Read the level
- The card shows the fill level as a percentage. 0% is a real reading, not an error.
- Dashes mean the tank sensor hasn't reported a value yet.
- A greyed tank card means the app hasn't detected that tank's sensor — see "Reading a card" for what to do.
Set a low-tank alarm
- On the Tanks tab, tap the bell on the tank card you want to watch.
- Choose the comparison (for example Less than) and enter the level that should trigger the alarm.
- Turn the alarm on and tap Save.
You can also set a Low Level Warning (%) when you add or edit the tank in Tank Configuration.
Warning: Only the boat owner can change the boat's saved alarm thresholds. Guests can see the levels but their changes aren't kept for the boat.
Note: For how alarms actually reach you (on the boat vs. when you're away), see "Alert types and how they reach you".