The cycling process is how your aquarium develops beneficial bacteria that help keep the water stable and safe for marine life.

Learn how to properly acclimate fish and invertebrates in a desktop aquarium using a simple drip acclimation method. Step-by-step guide for healthy, stress-free livestock introduction.

A complete guide to visiting your local fish store for desktop reef tanks. Learn what to look for, what to buy, and why supporting your LFS is key to long-term success.

Learn how to keep a desktop reef tank stable and thriving with simple routines, smart design, and beginner-friendly tips from PNW Custom.

Learn how PNW Custom promotes reef education, sustainable aquaculture, and classroom learning through desktop aquariums, captive-bred fish, and partnerships with schools across the country.

Worried your corals will outgrow a desktop reef tank? Learn how to manage coral growth with smart stocking, trading, fragging, and beginner-friendly tips.

Freshwater aquarist curious about saltwater? Learn how desktop reef tanks, macroalgae, and plug-and-play kits make the transition easy.

We recommend adding corals on day one when setting up a saltwater aquarium. Learn why corals respond differently to ammonia, how they help seed beneficial bacteria, and why fish should always wait until after the full cycle.

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

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 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 water. Thankfully, PNW Custom aquariums are designed to limit those swings from the start. Our Tip: We recommend using a salinity refractometer or Hanna Tester so that you always have an accurate reading of your salinity. Aim to be within the 1.024–1.027 range. What is RODI water? RODI water stands for Revers

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.

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.

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.