The Fluval AquaClear AC110 Power Filter is a hang-on-back aquarium filter designed for aquariums up to 110 gallons. Formerly known as the AquaClear 110, this HOB filter provides mechanical, chemical, and biological filtration for larger freshwater and saltwater aquarium setups. The AquaClear AC110 uses an open media basket that allows aquarists to customize filter media based on the needs of the aquarium. It can be used for large community tanks, cichlid aquariums, goldfish setups, planted tanks, grow-out systems, quarantine tanks, and other appropriately sized aquariums. Key Features Hang-On-Back Design: Installs on the back rim of compatible aquariums For Aquariums up to 110 Gallons: Suitable for many large freshwater and saltwater setups Customizable Media Basket: Open basket design allows media to be adjusted or replaced Multi-Stage Filtration: Supports mechanical, chemical, and biological filtration Large Flow Capacity: Listed flow rate of approximately 500 GPH Lift-Out Media Basket: Helps make routine filter maintenance easier Product Information Brand: Fluval Model: AquaClear AC110 Former Name: AquaClear 110 Product Type: Hang-on-back power filter Aquarium Size: Up to 110 gallons Flow Rate: Approximately 500 GPH Filtration Stages: Mechanical, chemical, and biological Included Media: Foam insert, activated carbon, and BioMax media Use: Freshwater and saltwater aquariums Best Uses Large freshwater community aquariums African cichlid aquariums South American cichlid setups Goldfish tanks with proper maintenance Planted aquariums Grow-out systems Quarantine and hospital tanks Fish-only saltwater aquariums Filtration Benefits The Fluval AquaClear AC110 supports three common types of aquarium filtration. The foam insert helps collect debris and provides surface area for beneficial bacteria. Activated carbon can help remove some dissolved organics and discoloration. BioMax media provides additional surface area for biological filtration. The open media basket gives aquarists flexibility to adjust media choices based on stocking level, water clarity needs, planted tank goals, or maintenance routine. For heavily stocked aquariums, filter maintenance and water testing should be performed regularly. Setup & Maintenance Tips Rinse filter media before first use using aquarium-safe water Prime the filter according to the manufacturer’s instructions before plugging it in Do not replace all biological media at one time Clean the impeller and intake as part of routine maintenance Check flow regularly and service the filter when output slows Choose media based on aquarium size, stocking level, and filtration goals Maintenance frequency depends on stocking level, feeding, and aquarium bioload Frequently Asked Questions What size aquarium is the Fluval AquaClear AC110 for?The Fluval AquaClear AC110 is rated for aquariums up to 110 gallons. What is the flow rate of the AquaClear AC110?The AC110 has a listed flow rate of approximately 500 gallons per hour. Can I customize the Fluval AquaClear AC110 filter media?Yes. The AC110 has an open media basket that allows aquarists to adjust or replace filter media based on the needs of the aquarium. Is the AquaClear AC110 good for planted aquariums?It can be used on planted aquariums when the flow, media, livestock, and plant needs are appropriate for the setup. Can the AquaClear AC110 be used on saltwater aquariums?Yes. The AC110 can be used on freshwater, marine, and FOWLR aquariums when properly maintained. How often should the AquaClear AC110 be cleaned?Maintenance frequency depends on aquarium size, stocking level, feeding, and bioload. Many aquariums benefit from filter inspection or cleaning every 2–4 weeks, while heavily stocked tanks may need more frequent service. Does the AC110 include filter media?Yes. The Fluval AquaClear AC110 typically includes a foam insert, activated carbon, and BioMax media. Available at Tropical Treasures Wyo The Fluval AquaClear AC110 Power Filter is a hang-on-back aquarium filter for aquariums up to 110 gallons. Visit Tropical Treasures Wyo in Cheyenne, Wyoming, to shop Fluval filters, filter media, aquarium supplies, water conditioners, heaters, fish food, live plants, and aquarium care essentials.