Aquarium maintenance schedule

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Adjust these tasks to your own tank and to your equipment makers' instructions.

Daily (about 2 min)

TaskNotes / date
☐Check temperature reading
☐Confirm pumps, heater and lights are running
☐Watch fish feed and look for stress
☐Check top-off reservoir level
☐Feed as planned

Weekly (about 30–60 min)

TaskNotes / date
☐Water change (your target % or gallons)
☐Test key parameters (reef: alk, salinity; freshwater: ammonia/nitrite/nitrate)
☐Clean glass
☐Empty skimmer cup / rinse filter floss or socks
☐Log readings below

Monthly

TaskNotes / date
☐Clean pump intakes and powerheads
☐Rinse or replace mechanical media
☐Test less frequent parameters (e.g. calcium, magnesium, phosphate)
☐Check RODI water output (TDS)
☐Review spending with the cost calculator

Quarterly / as rated

TaskNotes / date
☐Replace RODI pre-filters per manufacturer schedule
☐Replace carbon/GFO or other chemical media
☐Inspect heater and cords for wear
☐Calibrate refractometer / probes

Parameter log

DateTempSalinitypHAlkNO3PO4Notes