Hands siphoning gravel in a planted aquarium beside a bucket and water care tools

How-To Guides

Step-by-step how-to guides: setting up and cycling a tank, cleaning and maintenance, and fixing common problems like algae, cloudy water and pH.

How-To Articles

22 articles
Brown diatom film on aquarium glass with one clean wipe through it. Brown Algae in Fish Tank: Causes, Removal and Prevention Brown algae in a fish tank is usually diatoms, a harmless film common in new tanks that fades… October 29, 2026 · 5 min read Small planted aquarium with driftwood and a single plant How to Get Rid of Black Beard Algae: Causes and Fixes Black beard algae is stubborn, but removing it by hand, treating what remains and fixing light, CO2 and… October 29, 2026 · 8 min read Cardinal tetras swimming above gravel How to Lower pH in an Aquarium: Safe, Gradual Methods Stable water beats a perfect number, so here is when to adjust aquarium pH and how to lower… October 29, 2026 · 8 min read Planted aquarium with ferns, moss and driftwood How to Cycle a Fish Tank: Fishless and Fish-In Steps A step-by-step guide to the nitrogen cycle, covering fishless, planted and fish-in methods, a stage table and the… October 29, 2026 · 8 min read