canister filter

A canister filter is an external device used in aquariums to clean and maintain healthy water. It draws water from the tank, passes it through multiple chambers containing media like sponges, activated carbon, or biological filters to remove debris, toxins, and waste. The filtered water is then pumped back into the tank, ensuring clear, safe water for fish and aquatic plants. Canister filters are efficient, customizable, and ideal for larger tanks, providing excellent mechanical, chemical, and biological filtration to support a balanced aquatic environment.