The AquaLearn Blog
Expert guides, care tips, and the latest in the world of fishkeeping.
The Nitrogen Cycle Explained — A Beginner's Guide to Cycling Your Tank
Understanding the nitrogen cycle is the single most important thing a new fish keeper can learn. In this guide, we break down how ammonia, nitrite and nitrate interact, and why cycling your tank before adding fish is absolutely essential.
Understanding LED Reef Lighting: PAR, PUR and Spectrum Explained
Choosing the right light for your reef can be confusing. PAR, PUR, spectrum, intensity — what does it all mean? We break down everything you need to know about reef lighting in plain language.
Breeding Cardinal Tetras: A Step-by-Step Guide
Cardinal tetras are one of the most beautiful freshwater fish, but breeding them in captivity is notoriously challenging. With the right conditions and patience, it's absolutely possible — and incredibly rewarding.
Top 10 Hardy Saltwater Fish for Beginners
Starting a saltwater aquarium can feel overwhelming, but choosing the right fish makes all the difference. These 10 beginner-friendly marine fish are forgiving, hardy, and absolutely stunning in a home reef tank.
Aquascaping 101: Creating Natural-Looking Planted Tanks
A well-designed aquascape is like a painting you can swim in. In this introduction to aquascaping, we cover the three main styles, golden ratio composition, plant layering, and the essential equipment you need to get started.
Identifying and Controlling Common Types of Aquarium Algae
Algae is the bane of many aquarists' lives — but it doesn't have to be. Learn to identify the six most common types of aquarium algae and discover proven strategies to bring your tank back to sparkling clarity.