65gal Reef tank
Water top off: twice daily
Clean film algae from front and side glass: 2-3 times a week
Feed fish & corals: 2-3 times a week
Check and adjust alkalinity: 3 times weekly
Check and adjust calcium: weekly
Scrape coraline algae: every 1-2 weeks
Canister filter maintenance: Variable (currently experimenting with canister filter in a mechanical/chemical filtration configuration: Clean 100/50/25 micron filter pads 1-2 times weekly; replace 1 of 3 carbon filter bags (each containing 15 tablespoons of carbon, weekly); change out granular ferric oxide (GFO) media every 45 days).
Water changes: 30% about every 18-24 days (concurrent with stirring one-forth of sand bed for detritus removal).
Replace GFO in PhosBan reactor: previously about every 45 days but will now replace GFO when phosphate in effluent registers above 0.08ppm as measured with Hanna phosphate photometer.
Protein skimmer maintenance: foam tower (twice a week), skimmate cup (weekly), skimmer (every 2-3 months).
Powerheads cleaned about every 2 months.