Guides & How-Tos
Learn how to properly set up and maintain your reef aquarium with these helpful articles, guides, and step-by-step instructions.
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Learn how to clean your aquarium pumps and powerheads in just 3 easy steps! This comprehensive guide to using citric acid and cleaning aquarium equipment covers everything you need to know.Read more
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Hard-to-Keep Saltwater Fish and Smarter Alternatives for Your Reef Tank Before we jump in, we’re not talking about the rare, expert-only fish that almost never show up for sale. This list sticks...Read more
In the early days of the hobby, we’d use a floating glass hydrometer to measure the specific gravity in our tanks and when mixing up saltwater. The strength of the seawater determines how high the...Read more
Tap water often contains chlorine, unwanted nutrients, and other contaminants that can cause problems fast in an aquarium. An RO/DI system removes the guesswork and gives you consistent, zero TDS...Read more
Debunk the mysteries of these little blue bottles using our Buyer's Guide to Korallen Zucht additives.Read more
Get real answers to your most pressing questions about the Neptune Systems Apex Aquarium ControllerRead more
Not every useful reef tank tool comes from an aquarium brand. Some of the handiest items for coral care, tank cleaning, mixing, and everyday maintenance started out as kitchen tools, and OXO has...Read more
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