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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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
Learn how to program outlets on the Neptune Systems Apex using Apex Fusion tasks. Set up heaters, lights, pumps, and skimmers with simple automation to keep your reef tank running smoothly.Read more
Matthew is 5 months into this build, which means the video series is quickly coming to an end. But before then, we have some important long-term maintenance info to cover so that you can be...Read more
Most RO/DI systems work great out of the box, but a few smart add-ons can help you reduce waste water, increase production rate and eliminate pesky TDS creep.Read more
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