Desktop aquariums are reshaping the hobby. Discover why small tanks are more accessible, sustainable, and perfect for modern aquarium keeping.

Discover how lifelong aquarist Nicole Navarro built a colorful, low-maintenance reef in her PNW Custom 40oz Micro Tank.

Discover how desktop aquariums can support mental health by reducing stress, improving mood, and bringing a calming piece of nature into your everyday space.

Discover how lifelong aquarist Eric Triplett rediscovered his love for saltwater with a PNW Custom 40oz Micro Reef.

Discover the top 5 accessories that make maintaining a desktop aquarium easier and more enjoyable. Improve stability, boost aesthetics, and upgrade your small tank setup.

Why Salinity Stability Matters When water evaporates, the salt stays behind. This means that the salinity level rises unless you replace the lost water with pure RODI. Thankfully, PNW Custom aquariums are designed to limit those swings from the start. Our Tip: We recommend using a salinity refractometer so that you always have an accurate reading of your salinity. Aim to be within the 1.024–1.027 range. Evaporation-Control Lids: Your First Line of Defense Every PNW Custom d

Learn about the top 5 beginner reef tank mistakes and how to avoid them. Perfect for desktop aquariums. Free checklists and compatibility charts included.

Just received your Coral Starter Pack from PNW Custom? Learn how to easily set up your new 40oz Micro Tank with simple coral acclimation, placement, and care tips for beginners. Start your desktop reef with confidence!

Learn how the PNW Custom 40oz Micro Reef makes it easier to see, feed, and enjoy the Bumblebee Shrimp.

Discover the perfect holiday gifts for every aquarist in the PNW Custom 2025 Holiday Gift Guide. From beginner-friendly desktop tanks to expert frag systems, freshwater setups, and fun stocking stuffers, find something for every aquarium lover this season.

Learn how to maintain your PNW Custom Desktop Aquarium with easy weekly routines, helpful accessories, and a free downloadable checklist for long-term tank success.

This guide will walk you through the full setup process: from unboxing to plugging everything in and preparing your reef for its first inhabitants.

Learn the basics of reef keeping, from cycling and filtration to choosing corals and fish. Discover why PNW Custom tanks are perfect for beginners.

There’s one fish that always steals the spotlight: the Green Banded Goby. This tiny, charismatic reef dweller is the perfect fit for our desktop aquariums, and once you get to know them, you’ll understand why.

When it comes to adding character and charm to a desktop tank, few invertebrates can compete with the unforgettable Sexy Shrimp. This tiny shrimp has earned its title with confidence, flair, and a whole lot of wiggle.

Discover the best magnetic frag rack for your reef tank with PNW Custom’s comprehensive guide. Compare sizes, features, and designs to find the perfect rack for growing and displaying your coral frags.

Learn how to keep your desktop aquarium cool during the summer with these expert tips. Discover how a Cooling Kit and Auto Top Off from PNW Custom can help maintain stable temperatures and water levels.

At PNW Custom, we specialize in desktop tanks, and we’re here to bust the top five myths about these mighty little aquariums.

Mike's Micro Tank has been making waves, showing just how far the limits of reef-keeping can be pushed when creativity meets quality design.

If you're looking for a unique, low-maintenance, and visually stunning aquarium setup, a macro algae tank might be exactly what you need.