Fishkeeping Guides
Expert-written fishkeeping guides — browse by water type, chapter, and level. Prefer watching? See our video guides.

First Aquarium Setup: A Day-by-Day Beginner's Guide
Set up your first aquarium the right way. A day-by-day beginner's guide through cycling your tank, the 6-week wait, and choosing your first fish without losing any.
19 min read

What Size Aquarium Should a Beginner Start With?
Why bigger aquariums are easier for beginners, not harder. The recommended starting size, why tiny tanks are a trap, and how to choose for your space.
6 min read

How Much Does a Fish Tank Cost to Set Up and Run?
What a fish tank really costs to set up and run: upfront gear, ongoing electricity and supplies, where to spend vs save, and the "buying twice" trap to avoid.
7 min read

What Equipment Do You Actually Need (vs. Store Upsells)?
The short list of aquarium equipment you actually need vs. the upsells stores push. Essentials, situational gear, and the additives you can skip.
6 min read

Glass vs. Acrylic: Which Tank Should You Buy?
Glass vs acrylic aquariums compared: cost, weight, scratches, clarity, and shapes. Why glass is the sensible beginner default—and when acrylic wins.
6 min read

Where to Place Your Aquarium at Home
Where to place a fish tank: avoid direct sunlight, use a sturdy level surface, mind temperature and access. The placement rules that prevent algae and stress.
6 min read

Setting Up the Stand: Leveling and Weight Safety
Aquarium stand and leveling safety: how heavy a full tank really is, choosing a rated stand, why a level flat surface prevents cracks, and safe setup order.
6 min read

How Does the Aquarium Nitrogen Cycle Work? A Beginner's Guide
The aquarium nitrogen cycle explained simply for beginners—how fish waste turns from toxic ammonia into safe nitrate, and the 3 rules to protect it.
6 min read

How to Speed Up the Nitrogen Cycle in Your Aquarium
Speed up your aquarium's nitrogen cycle and cut weeks off the wait. Seeding filter media, bottled bacteria, live plants, and the mistakes to avoid.
7 min read

How do I know if my tank is fully cycled?
Learn the exact test results that prove your aquarium is cycled: ammonia 0, nitrite 0, nitrate present—plus the 24-hour test that removes all doubt.
7 min read

What Is Ghost Feeding, and How Does It Help Cycling?
Ghost feeding means feeding an empty tank so rotting food fuels your cycle. Here's how it works, how to do it right, and the mistake to avoid.
7 min read

Fish-In vs. Fish-less Cycling: Which Is Right for You?
Fish-in vs Fish-less cycling compared: which is safer, faster, and right for your tank—plus how to protect fish if you're already mid-cycle.
6 min read