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Internal and External Aquarium Pumps: Choosing the Right Return Pump for Your System
A reliable return pump is one of the most critical pieces of equipment in any saltwater or freshwater aquarium system. It circulates water from the sump back into the display, ensures proper oxygenation, drives filtration, and helps maintain stable water conditions. Whether you choose an internal (submersible) pump or an external pump, your choice directly impacts the performance, energy efficiency, and long-term reliability of your aquarium system.
Controlling Phosphate in the Aquarium with GFO (Granular Ferric Oxide) and Other Methods
September 18, 2025| Posted in Care & Maintenance , Pests & Algae, home, Additives & Water Treatment, Beginners| Scott Groseclose| 38
Managing phosphate (PO4) levels in a reef aquarium is one of the most important aspects of maintaining a healthy and thriving marine system. Excess phosphate can quickly lead to nuisance algae outbreaks, poor coral coloration, and even the decline of sensitive species like SPS corals and anemones.
Introducing the New HYDROS Start from CoralVue: A Smart Entry into Reef Automation
CoralVue’s HYDROS ecosystem has become one of the most reliable and modular automation platforms for aquarium hobbyists, and now, the HYDROS Start controller makes joining the ecosystem easier than ever.
About Aquarium Specialty
Step into the world of aquarium keeping at Aquarium Specialty. Discover best-in-class aquariums, aquarium supplies, aquarium equipment and saltwater and freshwater livestock from our one-stop retail and online Aquarium store. From vibrant coral reefs to captivating freshwater ecosystems, our wide selection caters to enthusiasts, hobbyists, and professionals alike.
With over thirty-six years of experience in reef keeping, as well as a degree in Biology, our founder started Aquarium Specialty in 2006 with the hopes of educating and supporting hobbyists worldwide. Explore a range of top-tier products, from cutting-edge filtration systems to artistically designed décor, all meticulously chosen by our industry experts to aid our clients in their success. Discover a diverse range of aquarium tanks and find the perfect fit for your aquarium needs.
In 2010 we launched Aqua Specialty, our wholesale company, Followed by BioTek Marine in 2015. Also in 2015 we aquired the AquaNerd Blog. We also host an annual trade show, the Southern Aquatic Experience, which our owner started in 2019.
