Green water is a bloom of tiny floating algae, often fed by too much light plus extra nutrients, and an ammonia spike can set it off. Water changes alone do not flush it out; a UV sterilizer or a blackout helps clear it.
Why is my aquarium water milky? Learn common causes, safe fixes, and prevention tips to clear your tank fast and keep fish healthy.
Learn why is aquarium water cloudy after water change and how to clear it fast with proven fixes, filter tips, and simple troubleshooting to protect your fish.
Learn why is my fish aquarium water cloudy and how to clear it fast with easy fixes, filters, and maintenance tips to save your fish and restore crystal water.
Tired of a cloudy tank? Find out why my aquarium water is not clear with our guide to common causes like bacterial blooms and algae, plus get easy, actionable fixes.
A milky haze in a new or recently cleaned tank is usually a bacterial bloom that clears in one to two weeks. Specks are debris, green is algae, brown is usually tannins. Test ammonia and nitrite first.