THE LIBRARY

All Aquarium Fish Care Guides

12 articles

Evidence-backed fish care and science articles — species biology, tank science, health and nutrition.


All aquarium-setup beginner betta feeding fish-health goldfish guppy planted-tank shrimp tetra
CO2 Injection for Planted Aquariums: Is It Worth It? planted-tank

CO2 Injection for Planted Aquariums: Is It Worth It?

10 min · Sep 2026
Aquarium Heater Guide: Wattage, Placement and Safety aquarium-setup

Aquarium Heater Guide: Wattage, Placement and Safety

10 min · Sep 2026
Planted Tank Basics: Everything Beginners Need planted-tank

Planted Tank Basics: Everything Beginners Need

10 min · Sep 2026
Canister vs HOB vs Sponge Filters: Which Is Best? aquarium-setup

Canister vs HOB vs Sponge Filters: Which Is Best?

10 min · Sep 2026
How Big Should Your Aquarium Really Be? Tank Size Science aquarium-setup

How Big Should Your Aquarium Really Be? Tank Size Science

10 min · Sep 2026
The Complete Guide to Cycling a New Aquarium aquarium-setup

The Complete Guide to Cycling a New Aquarium

10 min · Sep 2026
The Truth About Fish Memory: What Science Actually Shows fish-health

The Truth About Fish Memory: What Science Actually Shows

10 min · Aug 2026
Why Your Aquarium Has Algae: Causes, Prevention and Control planted-tank

Why Your Aquarium Has Algae: Causes, Prevention and Control

10 min · Aug 2026
Brackish Water Tanks: Which Fish Actually Thrive There beginner

Brackish Water Tanks: Which Fish Actually Thrive There

10 min · Aug 2026
Overfeeding Kills: A Science-Based Feeding Schedule for Aquarium Fish feeding

Overfeeding Kills: A Science-Based Feeding Schedule for Aquarium Fish

10 min · Aug 2026
The Nitrogen Cycle Explained: From Fish Waste to Plant Food aquarium-setup

The Nitrogen Cycle Explained: From Fish Waste to Plant Food

10 min · Aug 2026
Why Fish Need Light Cycles: Circadian Rhythms in the Aquarium fish-health

Why Fish Need Light Cycles: Circadian Rhythms in the Aquarium

10 min · Aug 2026