FishTankCalculator.com

Maintenance Schedule

Daily, weekly, biweekly and monthly tank care checklist

Tank Name / Location:
Tank Size (gal):
Water Type (FW / SW / Brackish):
Date Started:
Filter / Turnover (gph):
Heater (watts):

Daily Tasks

A 2-minute routine that catches most problems early.

DoneTaskNotes / Date
Check fish are active, eating, and breathing normally
Confirm heater and filter are running; check temperature
Feed appropriate amount; remove uneaten food
Quick glance for illness, injury, or aggression
Top off evaporated water (with conditioned water)

Weekly Tasks

The core of a healthy tank: testing and water changes.

DoneTaskNotes / Date
Test water (ammonia, nitrite, nitrate, pH)
Water change (typically 10-25%)
Vacuum substrate / siphon debris
Wipe inside glass / clean algae
Check and trim live plants

Every 2 Weeks

Equipment and media care.

DoneTaskNotes / Date
Rinse or check filter media in old tank water (never tap)
Inspect equipment (heater, airline, lid, lights)
Clean glass lid / canopy and light fixture
Dose plant ferts or supplements as needed

Monthly Tasks

The bigger maintenance and restocking jobs.

DoneTaskNotes / Date
Deep clean filter; replace mechanical media if clogged
Restock conditioner, test kit reagents, salt, ferts
Check expiration dates on test reagents
Review stocking, growth, and any equipment to upgrade
Calibrate / check thermometer and any meters

Notes

Adjust this schedule to your stocking level and water-test results.

Heavier stocking and warmer water mean more frequent water changes. Let your water-test results, not the calendar alone, set the pace.