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…

Lab Grade Dissolved Oxygen Probe for Neptune PM3 Module. The price of the probe isn't all that cheap compared to the traditional probes we use in this hobby, but this probe can easily last you a life time because the actual sensing membrane is replaceable. About every 3 months you will need to…

Salinity / Conductivity Probe – Lab Grade Start measuring salinity in your tank and get alerts when it is out of range. Replace an old probe Add salinity monitoring to your system via the Salinity Module: PM2   *Calibration solutions sold separately

…would provide long life as well as consistent and accurate performance. Lab grade probes are held to tighter standards and use higher quality materials allowing a longer life, and holding calibration longer than standard grade probes. Replace a worn out pH probe Purchase a pH probe to add to your…

…would provide long life as well as consistent and accurate performance. Lab grade probes are held to tighter standards and use higher quality materials allowing a longer life, and holding calibration longer than standard grade probes. Replace a worn out ORP probe Purchase a ORP probe to add to your…

BRS Color Changing CO2 Absorbent is low dust, medical grade soda lime spheres. Contains a special Zeolite to reduce the risk of drying out which results in media lasting longer. Uniform shape for more even flow. Changes from white to purple as media is depleted. Nine (9) lb. jug will give you seven…

Neptune Double Junction probes will out last most other traditional lab grade probes letting you go longer between calibrations, and having to purchase and replace probes less frequently. The Double Junction isolates the reference gel and probe from proteins and other organics that may otherwise…

Neptune Double Junction probes will out last most other traditional lab grade probes letting you go longer between calibrations, and having to purchase and replace probes less frequently. The Double Junction isolates the reference gel and probe from proteins and other organics that may otherwise…

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, Economical, American-made ORP probe to meet your saltwater monitoring. Made in the US under strict quality control BNC connector with superior insulators Cable has low noise design with conductive copper layer between braid and center conductor Less frequent and quicker calibration 10…

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…

High quality, Economical, American-made pH probe to meet your saltwater aquarium needs. Made in the US under strict quality control BNC connector with superior insulators Cable has low noise design with conductive copper layer between braid and center conductor Less frequent and quicker calibration…

…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…

…with no gaps allowing corals to grow and spread across them. This is the best way to catch all loose frags with the least effort. Made from a special grade fused white reef sand 1 1/4" x 1 1/4" x 3/8" Made from natural calcium based sand shown to speed the spread of coralline algae growth and corals

Overview Directly and efficiently removes reactive phosphate from aquarium water. Also removes silicate and phosphate-based organic material from aquarium water, often resulting in improved water clarity (particularly in aquaria with heavy bioloads). Safe for use in all freshwater and marine…

The Oceans Wonders DIY Coral Propagation Kits include everything to successfully frag or propagate hard and soft corals. Cutters and forceps are all made from surgical grade stainless steel. See full details for kit contents.

The Oceans Wonders DIY Coral Propagation Kits include everything to successfully frag or propagate hard and soft corals. Cutters and forceps are all made from surgical grade stainless steel. See full details for kit contents.

…into red phytopigments. Encourages biogenous aragonite formation (increased growth rates of coralline algae, as well as skeletal growth in corals and other reef-building invertebrates). Considerably stronger than competing boron supplements. Utilizes ACS-Reagent grade active ingredients.

Skimz Pur SUL media is made from the purest grade of sulfur for use in nitrate reactors. Sulfur is a food source for bacteria that eliminate nitrates by converting them to nitrogen gas. They have to be replaced from time to time as they are slowly consumed by the bacteria. One Size Available: 1500…

…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

…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

…Pirahna/ Hammerhead Float or The Tiger Shark/Great White Magnetic Cleaner. Each kit includes: One Adhesive-backed natural felt pad for protection on outer surface of tank Three 9” x 5” inner scrubbing pads One Self-adhesive, non-toxic medical grade Velcro pad to hold scrubbing pads on inner assembly

…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…

Overview: A blend of high-purity aragonite particulate grades to simulate the natural substrate particle profile of tropical reef lagoons. Multiple particulate grades encourage biochemical reactions (e.g. nitrification and denitrification) within the sediment to facilitate continuous release of…

ARM Coarse Reactor Media contains calcium, carbonate, and trace elements. Nearly 50x the Strontium of other brands (7390ppm) Precision grading allows for maximum carbon dioxide penetration No gastropod shells means the lowest phosphate content (less than 1/10th of 1ppm) Highest solubility of any…

ARM Coarse Reactor Media contains calcium, carbonate, and trace elements. Nearly 50x the Strontium of other brands (7390ppm) Precision grading allows for maximum carbon dioxide penetration No gastropod shells means the lowest phosphate content (less than 1/10th of 1ppm) Highest solubility of any…

Overview Premium quality activated carbon, offering desirable physical and chemical characteristics for application in all marine and freshwater aquaria, featuring high capacity for the removal of latent organic material from water and minimal impact on pH. Promotes water quality by removing…

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,…