Why Is My Filter Growing a Bush? Algae on Filters Explained
Filter growing a bush? Learn why Black Beard Algae and other growths colonise aquarium filters — and how to identify, treat, and prevent them for good.
Tank Setup & Equipment
Tag: algae control
5 articles
Optimal CO2 Levels for Planted Aquariums Explained
Find out if you have optimal CO2 levels in your planted tank. Learn the ideal 25–30 ppm target, how to measure it, and signs of too much or too little CO2.
Aquarium Plants & Aquascaping
Clado on Shrimp: Why It Turns Yellow and Egg-Shaped
Discover why Cladogonium ogishimae (clado) on your shrimp turns yellow and egg-shaped, what sporulation means, and how to treat and prevent outbreaks.
Breeding & Propagation
What Is Growing on My Aquarium Substrate and Decorations?
Identify the growths on your aquarium substrate and decorations — from harmless biofilm and diatoms to algae and planaria — and learn how to manage each one.
Aquarium Plants & Aquascaping
Best Fish for Eating Algae: Top Picks Compared
Find the best fish for eating algae in your aquarium. We compare top species by algae type, tank size, and compatibility to help you choose the right one.
Tank Setup & Equipment