Build a cleanup crew around the job your aquarium actually needs—not a gallon formula. Compare snails, crabs, shrimp, conchs, urchins, and advanced choices, then decide whether your tank is ready or should wait.
Choose a beginner saltwater fish by adult size, tank footprint, diet, territory, social needs, reef compatibility, and your complete stocking plan.
Learn & playBeginner Saltwater Aquarium GuidesWhat are you looking for? Search my saltwater aquarium guides, build lists, and gear recommendations, or choose a topic below.Search My First Fish TankSearch the…
If you want my direct answer, buy the BRS handheld refractometer bundle with 35 ppt calibration fluid. I own and have used every salinity tester in this guide, but the…
Saltwater aquarium gear guide For most beginners, I recommend the AquaReady Hang-on-Back Media Reactor. Nearly every beginner aquarium I recommend is an all-in-one system without a sump. A hang-on-back reactor…
Premium plug-and-play reefRed Sea Reefer MAX 300 G2+ Saltwater Aquarium BuildThis is the premium system I would choose when I want the display, sump, lighting, flow, return pump, filtration, top-off,…
My first sump-system recommendationRed Sea REEFER MAX 200 G3: My 42-Gallon Saltwater Aquarium BuildMy first saltwater aquarium was a Red Sea REEFER 170. The REEFER MAX 200 G3 is a…
A premium all-in-one with room to growRed Sea MAX NANO G2 XL: My 33-Gallon Saltwater Aquarium BuildIf I wanted a compact saltwater aquarium that already comes with a good light,…