My current setup is a 55 gallon tank with three Oranda and one Ranchu. Filtration is three sponge filters + a canister filter rated for 75 gallons (265 GPH). If I add
Seachem Tidal 55 HOB a VERY In Depth Review | FishLore Aquarium Forum
AAP, SeaChem Tidal High Capacity Aquarium HOB Power Filter
U1 Underwater Filter, up to 15 US Gal / 55 L - Fluval USA
5 Best Filters For 55-Gallon Tanks: Our Top Recommendations
The Tidal 55 by Seachem- Review | REEF2REEF Saltwater and Reef Aquarium Forum
FAQ: How do I remove the impeller of the Tidal® 55 filter? – Knowledge Base