ReefTracker
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About this app
ReefTracker helps you keep your reef aquarium healthy by tracking your water parameters over time — completely offline, with no account and no ads.
Log a reading in seconds, see at a glance whether each value is in a safe range, and watch trends build up over time so you can react before problems start.
WHAT YOU CAN TRACK
- Alkalinity, calcium, magnesium and the key salts
- Salinity, pH and temperature
- Nitrate, phosphate, ammonia and nitrite
- Trace elements: potassium, strontium, iodine, ORP and more
HEALTH ZONES
Every parameter shows a clear green / amber / red zone so you instantly know if a value is good, borderline, or out of range. Target ranges are tailored to your tank type — fish-only, soft coral, LPS, SPS or mixed reef.
HISTORY & GRAPHS
View your readings as easy-to-read graphs with the safe ranges drawn right on the chart, so trends and drift are obvious.
HANDY TOOLS
- Dosing calculator for your supplements
- Magnesium-to-calcium ratio view
- Salinity converter (ppt ↔ SG)
- Multiple tanks, each with its own setup
YOUR DATA STAYS YOURS
ReefTracker works fully offline. All your data is stored only on your device — nothing is uploaded, tracked or shared. Create your own backups whenever you like.
Whether you run a single nano tank or a mixed reef system, ReefTracker keeps your parameters organized and your corals thriving.
Log a reading in seconds, see at a glance whether each value is in a safe range, and watch trends build up over time so you can react before problems start.
WHAT YOU CAN TRACK
- Alkalinity, calcium, magnesium and the key salts
- Salinity, pH and temperature
- Nitrate, phosphate, ammonia and nitrite
- Trace elements: potassium, strontium, iodine, ORP and more
HEALTH ZONES
Every parameter shows a clear green / amber / red zone so you instantly know if a value is good, borderline, or out of range. Target ranges are tailored to your tank type — fish-only, soft coral, LPS, SPS or mixed reef.
HISTORY & GRAPHS
View your readings as easy-to-read graphs with the safe ranges drawn right on the chart, so trends and drift are obvious.
HANDY TOOLS
- Dosing calculator for your supplements
- Magnesium-to-calcium ratio view
- Salinity converter (ppt ↔ SG)
- Multiple tanks, each with its own setup
YOUR DATA STAYS YOURS
ReefTracker works fully offline. All your data is stored only on your device — nothing is uploaded, tracked or shared. Create your own backups whenever you like.
Whether you run a single nano tank or a mixed reef system, ReefTracker keeps your parameters organized and your corals thriving.
Track your reef aquarium water parameters with history and graphs
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
- No data shared with third partiesLearn more about how developers declare sharing
- No data collectedLearn more about how developers declare collection
What’s new
• Import ATI Lab ICP reports directly from PDF, including the sample date and measured salt-water values; separate osmosis-water results stay out of your aquarium history.
• Delete entries from Dosing history with a left swipe and confirmation.
• Delete entries from Dosing history with a left swipe and confirmation.
