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Big tanks. Fresh and salt.

Honest Gear Advice for Big Aquariums

Real builds, real costs, real results from a lifelong fishkeeper running a 285-gallon cichlid tank and a 185-gallon reef conversion.

Why trust Big Tank Reefer

Gear advice from real tanks, not spec sheets

Every recommendation comes from hands-on use or careful research, with honest pros and cons, real costs, and a focus on tanks 75 gallons and up.

Pick your water

Freshwater or saltwater, we cover both

Freshwater

Big Freshwater Tanks

African cichlids, catfish, plecos and big community tanks. Honest picks for canister filters, sumps, heaters, stands and food, from a 285-gallon cichlid tank.

Saltwater

Big Reef Tanks

Lighting, skimmers, flow and automation for reefs 150 gallons and up, plus the full 185-gallon freshwater-to-reef conversion, step by step.

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Everything you need for a 75+ gallon freshwater or reef setup, plus new build-log updates and gear guides by email.