Aquarium Controllers
Learn to set up, program, and use your aquarium automation and control devices from Neptune Systems, GHL, Hydros, Milwaukee, and American Marine.
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Get real answers to your most pressing questions about the Neptune Systems Apex Aquarium ControllerRead moreLearn 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 moreGet the most out of your Neptune Systems A3 Apex by properly setting up its probes and alerts. This step-by-step guide walks you through calibrating temperature, pH, and ORP probes, along with...Read moreUnlock the full power of your Neptune Systems A3 Apex by connecting it to Apex Fusion for real-time monitoring and control from anywhere. This step-by-step guide walks you through getting your...Read moreThis guide is all about getting familiar with the hardware that comes with the Neptune Systems A3 Apex Pro and learning how everything connects together. We’ll walk through what’s included in the...Read moreMost reef tank failures don't happen all at once. They start small when a parameter drifts out of range and no one notices. Temperature creeps up, pH slips, a fitting slowly leaks. Over time, those...Read moreThis guide is all about getting familiar with the hardware that comes with the Neptune Systems A3 Apex and learning how everything connects together. We’ll walk through what’s included in the...Read moreSaltwater aquariums—especially reef setups—are delicate ecosystems. Sudden shifts in water temperature of just 1–2 °F (0.5–1 °C) can severely stress corals, fish, and invertebrates to...Read more












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