2 Easy Ways to Clean a Fish Tank wikiHow
Sep 04, 2019· Clean your aquarium once a week by gently scrubbing the glass and decorations with an algae pad. Use a gravel vacuum to clean the substrate and clean the exterior glass with diluted vinegar to remove deposits. Use a siphon to remove 2550% of the water and replace it with fresh, treated water at the same temperature for a freshwater aquarium.