Keep your reef steady, without the bloat.
Tanki grades your parameters against ideal ranges and keeps a simple timeline of tank events so you can connect cause → effect.
Range-aware trackingBadges + trend arrows
Correlation built inEvents next to parameters
Parameters
Status snapshot
| Parameter | Current |
|---|---|
| Salinity (sg) | 1.025 sg |
| Temperature (°F) | 78 °F |
| pH | 8.1 |
| Ammonia (ppm) | 0 ppm |
| Nitrate (ppm) | 12 ppm |
| Phosphate (ppm) | 0.08 ppm |
| Calcium (ppm) | 430 ppm |
| Alkalinity (dKH) | 8.4 dKH |
| Magnesium (ppm) | 1350 ppm |
Purpose-built for reefers
Minimal, honest, focused on stability.Track what matters
Salinity, temperature, pH, ammonia, nitrite, nitrate, phosphate, alkalinity, calcium, magnesium—logged in seconds.
Timeline for everything
See when you added livestock, corals, and equipment, and how parameters shifted after each change.
Tanki is user supported
I am committed to keep Tanki free for all users. If you like Tanki and want to support we have a $5/year tier to access new features early.
Built for people who like quiet tanks.
No hype, no ads—just a calm place to keep your reef data tidy and dependable.