Cost

How much does aquarium keeping cost?

$197 buys all 7 essentials. $75 of that is the half that has to fit you, and the rest can wait.

7 priced items · checked 10 Sept 2026 · retailer prices, we earn a commission

Everything essential, cheapest sensible pick

$197

7 items, nothing rented

$75 to fit you, buy now$122 that can wait

Cheapest real way in

$75

The half that has to fit you. Borrow or rent the rest.

Against 247 hobbies

Above median

Dearer than 76% of them. Median hobby: $84.

What each thing costs

Every essential item, cheapest sensible option first. Mid-range and top picks alongside.

Aquarium Starter Kit essential

mid $182top $270

$122

Aquarium Filter essential

mid $53top $171

$20

Aquarium Heater essential

mid $34top $63

$15

Aquarium Water Test Kit essential

mid $36top $95

$13

Aquarium Gravel Vacuum essential

mid $56top $70

$13

Aquarium Thermometer essential

top $20

$10

Aquarium Net essential

top $13

$4

All 7 essentials

$197

Buy this first

$75

The cheap half of the kit, and the half that has to fit you. You keep all of it whatever you decide about the rest, so this is where the first money should go.

Aquarium Heater

$15

Maintaining a stable water temperature is critical for the health and survival of most tropical fish and invertebrates. An inadequate heater can lead to stress, disease, and even death.

Tetra HT Submersible Aquarium Heater With Electronic Thermostat, 50-Watt, 2-10 Gallon

mid $34top $63

Aquarium Filter

$20

Filters are the lungs of your aquarium, removing waste, toxins, and debris to maintain healthy water conditions for your fish.

Aquarium Sponge Filter

mid $53top $171

Aquarium Thermometer

$10

Accurately monitoring water temperature prevents drastic fluctuations that can harm aquatic life, complementing your heater's function.

Zacro 2 Pack Digital Aquarium Thermometer

top $20

Aquarium Water Test Kit

$13

Understanding your water parameters like ammonia, nitrite, nitrate, and pH is crucial for preventing fish loss and maintaining a balanced ecosystem.

API 5-in-1 Test Strips Freshwater and Saltwater Aquarium Test Strips 25-Count Box

mid $36top $95

Aquarium Gravel Vacuum

$13

This tool is indispensable for performing water changes and cleaning the substrate, removing waste and preventing the buildup of harmful toxins.

Laifoo 5ft-S Aquarium Siphon Vacuum Cleaner for Fish Tank Cleaning…

mid $56top $70

Aquarium Net

$4

A fine mesh net is necessary for safely moving fish or removing larger debris from the tank without causing injury.

Marina 6-Inch Blue Fine Nylon Net with 12-Inch Handle

top $13

The main buy

$122

The expensive part, and the part worth deferring. Rent, borrow or buy used until you have done aquarium keeping enough times to know you are staying.

Aquarium Starter Kit

$122

The starter kit gives you tank + lid + light + filter + heater in one box — the foundation of the hobby.

Aqueon 10-Gallon LED Aquarium Starter Kit

mid $182top $270

Later, if you stay

Not needed to start. These are the upgrades that matter once the habit has stuck.

Algae Scraper

$4

Managing algae growth is key to maintaining aesthetics and preventing it from overwhelming your tank inhabitants and equipment.

API HAND HELD ALGAE PAD For Glass Aquariums 1-Count Container

mid $72top $230

Aquarium Air Pump

$17

While not strictly essential for all tanks, an air pump and airstone significantly improve oxygenation and water circulation, benefiting fish health.

Tetra Whisper Air Pump Up To 10 Gallons

mid $26top $28

Startup cost · all 247 hobbieslog scale
$1
$84
$1245
$197

Aquarium Keeping costs more to start than 76% of the 247 hobbies we price. The median is $84.

Cost questions

How much does Aquarium Keeping cost to start?

About $197 for the 7 essential items, taking the cheapest sensible option for each. $75 of that is the cheap half, and the remaining $122 can wait until you know you are staying.

What does each thing cost for Aquarium Keeping?

Aquarium Starter Kit: from $122. Aquarium Filter: from $20. Aquarium Heater: from $15. Aquarium Water Test Kit: from $13. Aquarium Gravel Vacuum: from $13. Aquarium Thermometer: from $10. Aquarium Net: from $4.

Is Aquarium Keeping an expensive hobby?

Aquarium Keeping costs about $197 to start, dearer than 76% of the 247 hobbies we price. The median hobby costs $84, so this is one of the pricier ones to get into.

What should I buy first for Aquarium Keeping?

aquarium heater, aquarium filter, aquarium thermometer, aquarium water test kit, aquarium gravel vacuum, aquarium net — $75 together. They are the cheap half of the kit and the half you keep whatever you decide about the rest.

Hobbies that cost about the same

The 6 nearest to aquarium keeping by startup cost, out of 247.