Know what your tank really costs, then cut it.
Free calculators for reef and freshwater keepers. Most electricity calculators stop at the power bill. This one adds salt, RODI water, food, testing, additives and filter media, so you can see the full monthly cost.
Calculate my monthly cost Get the free maintenance schedule
Running-cost calculator
Enter each device's watts and hours, plus your consumables. You get monthly and yearly totals, a breakdown, and the lines most worth cutting.
Open calculator →Salt cost per gallon
Bucket prices can mislead. This compares major salt mixes by what each gallon of saltwater actually costs. Every price is editable and every yield is sourced.
Compare salts →Maintenance schedule
A printable daily, weekly and monthly checklist that keeps the routine short and predictable.
Print it →Get one efficiency tip a week
One practical way to save money or time on your tank, every week. No fluff.