Special Grade

…choice for sand is the Arag-Alive Special Grade Sand from CaribSea.  With its larger particle size, it does not get pushed around like most other smaller grain sand sizes available and is great for all tanks especially those with a lot of water movement.   Special Grage Arag-Alive! Live Aragonite…

CaribSea Aragonite Sand is engineered to be free of impurities such as ash, metals, pesticides, and silica; which allows you to create a safe and beautiful environment for your fish and invertebrates. Grain size: 1.0 - 2.0mm High Surface Area for Bacteria Largest variety of particle size BRS…

High quality, American-made ORP probe to meet your saltwater aquarium needs. Made in the US under strict quality control High-grade platinum rod Double junction designed specifically for contact with proteins or heavy metals Longer lifespan than single junction BNC connector with superior insulators…

High quality, American-made pH probe to meet your saltwater aquarium needs. Made in the US under strict quality control Double junction designed specifically for contact with proteins or heavy metals BNC connector with superior insulators Cable has low noise design with conductive copper layer…

…zoanthids, mushrooms, star polyps, Kenya Trees, Xenia, etc. The varying shape and height of each rock gives a more natural look. Made from a special grade fused white reef sand About 2" large and 1/2" thick Flat bottom for secure mounting Made from natural calcium based sand shown to speed the…

…Make your salt the exact way you want it with the B-Ionic Seawater System. ESV put together an ultra-pure 4-part salt mix that let's make consistent batches of salt from bucket to bucket.  4-Part System USP Grade Magnesium Sulfate Ultra-Low Heavy Metal Sodium Chloride Predissolved Trace Elements

Standard Grade pH probe for Vertex Cerebra Controllers. Includes BNC Connection that will work with almost any type of pH controller or monitor that utilizes a BNC Connection. Made in Germany Reliable Quality Materials Quality Craftsmanship Manufacturing date labeled on packaging   Note: Calibration…

…remaining total dissolved solids (TDS) down to undetectable levels, making perfect water for reef tanks. Professionally Packed Color Changing (Changes from blue to brown as it depletes) Vacuum packed in foil-lined 4mm Mylar bags for a long shelf life Includes Refillable 10” Cartridge Nuclear Grade

…to shut down your reverse osmosis system when the float is elevated. Float valves are typically installed on containers like large plastic food grade trash cans or other containers. Installation is as easy as drilling a small hole in the container, sliding the float in and attaching using the…

NeoMarine Salt Features: Extensively-researched and tested over a multi-year period, with a formulation based on current understanding of Marine Chemistry and Marine Biology as they pertain to the husbandry of all marine aquaria (e.g. reef, mixed reef, FOWLR, fish-only, mangrove, sea grass,…