PetUpon topic hub

Aquariums & Fish Care

Independent aquarium care and equipment guidance organized around filtration, heating, lighting, aeration, circulation, water quality and safe maintenance. Start with the practical care guides, then use our manufacturer-verified buying guides to compare the right equipment for your tank.

Best Aquarium Filters: Choose by Tank, Stocking, and Maintenance

August 31, 2026March 30, 2019 by Dawn H. Johnson

Canister aquarium filter beside a clear planted fish tank

A current, research-backed guide to choosing aquarium filters, focused on safety, fit, reliability, maintenance, and total ownership cost.

Best Canister Filters for Aquariums: Capacity and Serviceability

August 31, 2026January 30, 2019 by Dawn H. Johnson

A current, research-backed guide to choosing aquarium canister filters, focused on safety, fit, reliability, maintenance, and total ownership cost.

Best LED Aquarium Lighting: Coverage, Control, and Livestock Needs

August 31, 2026February 5, 2019 by Dawn H. Johnson

LED aquarium light illuminating a planted freshwater tank

A current, research-backed guide to choosing LED aquarium lighting, focused on safety, fit, reliability, maintenance, and total ownership cost.

Best UV Sterilizers for Aquariums: Sizing and Safe Use

August 31, 2026February 12, 2019 by Dawn H. Johnson

A current, research-backed guide to choosing aquarium UV sterilizers, focused on safety, fit, reliability, maintenance, and total ownership cost.

Best Aquarium Air Pumps: Quiet, Reliable Aeration

August 31, 2026February 19, 2019 by Dawn H. Johnson

A current, research-backed guide to choosing aquarium air pumps, focused on safety, fit, reliability, maintenance, and total ownership cost.

Best Aquarium Powerheads: Flow Without Stress

August 31, 2026February 17, 2019 by Dawn H. Johnson

A current, research-backed guide to choosing aquarium powerheads, focused on safety, fit, reliability, maintenance, and total ownership cost.

Best HOB Filters for Saltwater Aquariums: Capacity and Maintenance

August 31, 2026April 2, 2019 by Dawn H. Johnson

A current, research-backed guide to choosing hang-on-back filters for saltwater aquariums, focused on safety, fit, reliability, maintenance, and total ownership cost.