Aquarium setup cost calculator
This aquarium setup cost calculator adds up the one time cost of starting a new aquarium, and shows the cost per gallon.
How the aquarium setup cost calculator works
The calculator adds the one time cost of the main pieces you need to start a tank: the tank and stand, a filter, a heater, lighting, substrate, hardscape and decor, a test kit with water conditioner, and your first livestock and plants. Enter a price for each item you plan to buy and leave out anything you already own or plan to add later. If you enter the tank volume, the tool also shows the cost per gallon, which is a handy way to compare sizes.
Prices vary by brand, size and where you shop, so use your own figures for the most useful total. The placeholders are only rough starting points for a small to medium freshwater setup. Buying a tank as a kit or secondhand can lower the total, while planted and marine tanks usually cost more once lighting and extra equipment are added.
As an example, a modest 40 gallon freshwater setup with a mid range filter, heater and light, plus substrate, decor, a test kit and a first group of fish, often lands somewhere around 400 to 500 dollars, or roughly 10 to 12 dollars per gallon. Your own total will move with the gear you choose.
What each item usually costs
These are rough price ranges for a freshwater setup to help you fill in the fields. Shop around, since sales and secondhand gear can cut them a lot.
- Tank and stand: about 50 to 300 dollars, more for large or rimless tanks
- Filter: about 20 to 150 dollars by type and flow
- Heater: about 15 to 60 dollars by wattage
- Lighting: about 20 to 80 dollars for basic, more for planted fixtures
- Substrate: about 15 to 50 dollars, more for aqua soil
- Hardscape and decor: about 20 to 100 dollars
- Test kit and conditioner: about 25 to 50 dollars
- Livestock and plants: from about 30 dollars upward, depending on species
Typical setup cost by tank size
These are ballpark totals for a basic freshwater setup, before livestock and any premium gear. Planted and marine builds cost more. Use the calculator with your own prices for a real figure.
- 10 gallon: about 100 to 200 dollars
- 20 gallon: about 150 to 300 dollars
- 40 gallon: about 300 to 500 dollars
- 55 gallon: about 400 to 700 dollars
- 75 gallon and up: about 600 dollars and up
Do not forget running costs
This total is the initial outlay only. A tank keeps costing money after it is running: food, water conditioner, replacement filter media, test kits, fertilizers or salt, the odd new heater or pump, and the electricity to run lights, filtration and heating. Those ongoing costs are modest each month but add up over the life of the tank, and larger or heated tanks cost more to run.
Electricity is the running cost people forget. A heater and light on for hours a day, plus a filter running around the clock, all draw power, and a big or cold room tank costs more to keep warm. It is worth a rough monthly figure alongside the setup total before you commit.
How to set up a tank for less
The biggest savings come from the tank itself. A secondhand tank and stand, checked for sound seams and no deep chips, can cost a fraction of new. A basic hang on back filter, inert gravel with a few root tabs instead of pricey aqua soil, and driftwood or rock collected and cleaned rather than bought all trim the total without hurting the tank.
The one place not to cut is the test kit and dechlorinator, which are cheap and protect everything else. Buy the right size tank once as well: upgrading later means buying a second tank, stand, filter and heater, which costs far more than starting a little bigger from the start.
Freshwater, planted and marine costs
A basic freshwater community tank is the least expensive to set up. A planted tank adds a stronger light, often fertilizers and sometimes a carbon dioxide system, which raises both the setup and running costs. A saltwater or reef tank is the most expensive, since it needs a protein skimmer, powerheads, salt mix, stronger lighting and often a sump.
Decide the type before you budget, because the extras add up quickly. The calculator handles any of them: just enter the gear and prices for the tank you are actually planning, and add extra fields into your own total for anything specialized.
Where to spend and where to save
Spend on the parts that are hard or costly to replace and easy to get wrong. A good heater with a reliable thermostat protects your livestock, a filter with generous biomedia keeps the water stable, and the right size tank saves you buying a second one later. These are worth a little extra.
Save on the parts that are easy to add or upgrade over time. Decor, a background, fancy lighting for a fish only tank, and extra gadgets can all wait. Start with sound basics, get the tank cycled and stable, and add the nice to have items once it is running well and you know what you actually want.
Kits versus buying separately
An all in one kit bundles a tank, filter, heater and light for less than the same items bought one by one, which makes it an easy, cheaper start for a first tank. The trade off is that kit parts are basic, so the light may be weak for plants and the filter modest, and keen keepers often upgrade them later.
Buying separately costs more up front but lets you match each part to your plan, which suits a planted or larger tank. Whichever route you take, put the numbers into the calculator so you can compare a kit against a separate build before you decide.
Frequently asked questions
How much does it cost to set up an aquarium?
It varies widely with size and gear. A small starter tank can be modest, while a larger planted or marine setup costs far more once you add a stand, filter, heater, lighting and livestock. Enter your own prices here for a total that fits your plan.
How much does a 20 gallon aquarium cost to set up?
A basic 20 gallon freshwater setup often runs roughly 150 to 300 dollars once you add the tank, filter, heater, light, substrate and first fish. A planted or higher end build costs more. Enter your own prices here for a real total.
What does this calculator include?
It adds the one time cost of the main setup items: tank and stand, filter, heater, lighting, substrate, hardscape and decor, a test kit and conditioner, and livestock and plants. You can leave out anything you already own.
Is it cheaper to buy an aquarium kit?
Often yes for a first tank. A kit bundles the tank, filter, heater and light at a lower combined price than buying each separately, though the parts are basic and some keepers upgrade them later.
What is the most expensive part of a setup?
For a simple freshwater tank it is usually the tank and stand, then filtration and lighting. For planted or marine tanks, lighting, carbon dioxide or a skimmer, and livestock can add up faster than the tank itself.
How can I set up a tank on a budget?
Buy a secondhand tank and stand, choose a simple hang on back filter, use inert gravel with root tabs instead of pricey aqua soil, and add livestock gradually. Buying the right size once also avoids the cost of upgrading later.
Do I need a test kit and water conditioner?
Yes. A liquid test kit and a dechlorinator are essential, not optional. They are cheap next to the livestock they protect, and skipping them is a common early mistake.
How much should I budget for fish and plants?
It depends on the species, from a few dollars for hardy community fish and plants to much more for rare or large specimens. Add livestock gradually so the tank and your budget both keep pace.
Are marine tanks more expensive to set up?
Yes. Saltwater and reef tanks add a protein skimmer, powerheads, salt mix, stronger lighting and often a sump, so they usually cost noticeably more to set up than a freshwater tank of the same size.
Does it include running costs?
No. This is the initial setup only. Ongoing costs like food, water conditioner, replacement filter media, test kits and electricity are separate and add up over time.
Why show a cost per gallon?
Cost per gallon makes it easier to compare tank sizes. Larger tanks often cost less per gallon to set up, which is one reason many keepers are advised to start a little bigger than they first plan.