Discover the 22 things I wish I knew before setting up a saltwater aquarium and avoid common beginner mistakes.
Featured Beginner Blogs
We created My First Fish Tank to be the one-stop beginner’s guide to saltwater aquariums. It can be overwhelming, so this entire website is designed to make it easy for you.
Some of our most popular beginner blogs are below, so if something catches your eye, take a peek!
Popular Blogs
Our popular beginner blogs are always changing, so we’ll put the top three right here!
The Best Beginner Saltwater Fish: Perfect For All Tanks
Discover the best beginner saltwater fish for your aquarium in our 2024 guide. Learn about hardy, inexpensive, and easy-to-acclimate species.
Ultimate Guide to Setting Up a 20 Gallon Saltwater Tank
Learn how to set up a sleek, 20-gallon saltwater aquarium for around $800 with easy-to-maintain gear—perfect for beginners.
Saltwater Aquarium Tips For Beginners: Don’t Fail Year One
Get started with saltwater aquariums and reef tanks with these essential tips for beginners. Success starts with starting right!
Latest Blogs
We’re constantly writing new beginner content, so if you want the latest, check out the blogs directly below!
22 Essential Things to Know Before Setting Up Your First Saltwater Aquarium
Discover the 22 things I wish I knew before setting up a saltwater aquarium and avoid common beginner mistakes.
How to Do a Water Change: Solve 80% Of Aquarium Problems
Regular water changes keep your saltwater aquarium healthy by preventing cloudy water, sick fish, and unhappy corals—learn how to do them right!
Recommended Saltwater Parameters: The Ultimate Guide for a Thriving Reef Tank
Keeping the right saltwater parameters is key to a thriving reef—learn the ideal ranges for salinity, temperature, pH, and more!
Saltwater Aquarium Gear Guides
Our beginner saltwater aquarium gear guides are here to help you choose the right gear. Whether that’s return pumps, LED lights, or fish food, we are here to help you make the best decision.
