ReefDiary - Aquarium Log

Track reef tank water parameters, dosing, coral trends, and routines offline. Built for saltwater aquarium stability with no account, cloud sync, or ads.

Log saltwater aquarium parameters, spot stability drift, calculate dosing amounts, and keep reef care decisions grounded in your own data.

KEY FEATURES:

• Log Ca, Alk, Mg, pH, Salinity, Temp, NO3, PO4 in seconds
• 2-part dosing calculator (BRS, ESV, Tropic Marin, custom)
• Color-coded parameter cards show instant health status
• Trend charts reveal drift, recovery, and repeat patterns
• Exportable reports for second opinions, store visits, or support threads
• Multiple tank support with separate histories and routines

BUILT FOR REEF KEEPERS:

• No account required, no cloud sync; reef data stays local
• Works offline - practical for fish rooms and maintenance benches
• Dense, scannable interface designed for daily reef checks

PRO FEATURES (monthly, yearly, or lifetime):

• Unlimited tanks and full long-range parameter history
• Advanced dosing products and custom formulas
• CSV exports and shareable reef detail images
• Custom testing cadence and dosing follow-through

Free to download. Pro unlocks the long view: full history, reports, formulas, routines, and unlimited reef systems.

LEGAL:

• Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
• Privacy Policy: https://peachuinc.github.io/legal/reefdiary/