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Tank volume
Estimate litres and US gallons.
Water change
Convert a percentage to volume.
Project budget
Use your own prices in USD by default.
Timeline
Set species-specific milestone dates.
Feeding planner
Create observation times, not fixed portions.
Grow-out planner
Use your own space ratio and reserve.
Readiness checklist
Check the whole project before pairing.
Quarantine checklist
Record separation and observation steps.
Water log
Store readings in the browser.
Breeding log
Record pair, date, event and outcome.
Privacy: logs and calculations run in the visitor’s browser. No account or server-side database is used.