This refractometer does come with a black or blue protective case. The MA871 is an optical instrument that employs the measurement of refractive index to determine the % Brix of sugar in aqueous solutions. The method is...

With the Milwaukee Instruments MP810 Dosing Pump you can easily automate your two part dosing. The MP810 has a maximum flowrate of 25 ml per minute (1500ml per Hour). For easy control, hook this Dosing Pump up to a timer or Neptune Systems Apex. Each...

3 meters in 1! This meter allows you to measure pH, EC (conductivity) and TDS with just one instrument and one single probe! The MW802, with a conductivity range that goes up to 6.00 mS/cm and the TDS up to 4000 ppm is ideal for testing in crop...

Potassium macro element seawater supplement. Potassium is an important element that naturally occurs in seawater. Beneficial for SPS coral colour and bacterial environment.  When used in conjunction with TRITON Lab ICP testing aquarists are now...

Iodine trace element seawater supplement. Beneficial for metabolic processes in reef aquaria. Promotes health of macro-algae and SPS coral.  When used in conjunction with TRITON Lab ICP testing aquarists are now able to make targeted single element...

TRITON Detox treatment for removal of excess heavy metals from an aquarium (e.g. Copper and Lead), while causing no damage to inhabitants within the aquarium. Caution: Detox should only be used when heavy metals have been detected through TRITON Lab...

Triton Labs N-DOC Organics Professional Seawater Analysis COMPREHENSIVE TESTING FOR NITROGEN, ALKALINITY & DISSOLVED ORGANIC CARBON Introducing expanded, high resolution testing for key Nitrogen compounds, Dissolved Organic Carbon and extended...

Use Polyp Lab's Scope to search for lost corals in the darkness of your rock work Check fish for external defects or parasites before you purchase Look for reef pests when your tank lights are off and they are active Enjoy the natural...

Kit Includes: Stage 1 - Generic PureT 10" 0.5 Micron Sediment Filter Stage 2 - Generic PureT 10" 0.5 Micron Coconut Carbon Block Specifics: 1. Generic PureT 10" 0.5 Micron Sediment Filter Economical light weight filters for standard 10" housings...

Kit Includes: Stage 1 - Generic PureT 10" 0.5 Micron Sediment Filter Stage 2 - Generic PureT 10" 0.5 Micron Coconut Carbon Block Last Stage - 1L Bag Aquatic Life RODI Bulk Color Changing Resin Specifics: 1. Generic PureT 10" 0.5 Micron Sediment...

Built to Protect Ecotech Marines MP40 QD Wetside Protect your tank occupants with wave maker protector guards. These reef safe guards are made from marine safe PETG material and are designed to stop anemones and small tank mates from getting sucked into...

Built to Protect Ecotech Marines MP10 QD Wetside Protect your tank occupants with wave maker protector guards. These reef safe guards are made from marine safe PETG material and are designed to stop anemones and small tank mates from getting sucked into...

Built to Protect Ecotech Marines MP60QD Wetside Protect your tank occupants with wave maker protector guards. These reef safe guards are made from marine safe PETG material and are designed to stop anemones and small tank mates from getting sucked into...

This optional 7 inch Klir Flow Diverter to cap the unused holes of your sock tray. You can easily dial it to divert excess flow or to filter less agressively.

50 Micron Fleece Klir Fleece Roll boasts an impressive quantity of filtering material and provides months of service. Replacement rolls are economical and easy to replace.

Add the Klir to Sumps Without Sock Trays Add the Klir Di-7 Fleece Filter to sumps without sock trays or to DIY sump applications using the Klir Filter Bracket. Features include: Dual Submerged 1in inputs Compatible with full-syphon...

Adjustable Solid Platform to raise protein skimmers in 3" / 3.8" / 4.5" increments. Platform Sizes: SST 1: 11"x7.5" | SST 2: 13"x9" | SST 3: 17.7"x11" The Reef Octopus skimmer Stand makes it easy to raise protein skimmers to ideal water levels...

Adjustable Solid Platform to raise protein skimmers in 3" / 3.8" / 4.5" increments. Platform Sizes: SST 1: 11"x7.5" | SST 2: 13"x9" | SST 3: 17.7"x11" The Reef Octopus skimmer Stand makes it easy to raise protein skimmers to ideal water levels...

Adjustable Solid Platform to raise protein skimmers in 3" / 3.8" / 4.5" increments. Platform Sizes: SST 1: 11"x7.5" | SST 2: 13"x9" | SST 3: 17.7"x11" The Reef Octopus skimmer Stand makes it easy to raise protein skimmers to ideal water levels...

Take your ordinary Cobalt MJ1200 Utility pump and add this 3D-printed vacuum attachment for the ultimate cleaning tool. Make quick work of detritus and other debris in your sump, and bare-bottom tank. Compatible with 3/4in OD hose Add the vacuum...

Chemi Bags are double stitched nylon filter bags for use with any type of granular filter media such as Phosphate, Ammonia, Nitrate, Silicate removers or activated carbon. In a convenient 5” x 10.5” size to fit in most filtration systems.

Rowaphos is the leading phosphate removal media for marine and reef aquariums. Rowaphos will not leach any phosphates back into the water. RowaPhos is a unique man made ferric hydroxide material specifically produced for efficient removal of phosphates,...

The Phosphate Low Range Checker® HC Calibration Check Set - HI713-11 provides a simple solution to validating the Phosphate Low Range Checker® HC - HI713 in the range of 0.00 to 2.50 ppm (mg/L). This high-quality set of standards is...

Sludge and organic busting beneficial bacteria will naturally dissolve the sludge and dirt that accumulates in an aquarium and prevent the build-up of debris when used on a regular basis. Also removes dissolved organics. Waste-Away is fast acting and...

Sludge and organic busting beneficial bacteria will naturally dissolve the sludge and dirt that accumulates in an aquarium and prevent the build-up of debris when used on a regular basis. Also removes dissolved organics. Waste-Away is fast acting and...

Sludge and organic busting beneficial bacteria will naturally dissolve the sludge and dirt that accumulates in an aquarium and prevent the build-up of debris when used on a regular basis. Also removes dissolved organics. Waste-Away is fast acting and...

This bottle of reagent grade ammonium chloride is for use when fishless cycling. Concentration is 50 mg/L of total ammonia-nitrogen (TAN). Dose 4 drops per gallon of aquarium water.  Use with One and Only Nitrifying Bacteria. Simple, easy to...

Changing the environment of a fish causes stress that robs the fish of essential nutrients and can weaken their immune system. First Defense is scientifically designed to provide stress relief and support the immune system, helping fish cope with stress...

Changing the environment of a fish causes stress that robs the fish of essential nutrients and can weaken their immune system. First Defense is scientifically designed to provide stress relief and support the immune system, helping fish cope with stress...

We store this in a climate controlled environment to keep it fresh - Good for 6 months at room temperature, 1 year at 50°F. Best to keep refrigerated for longest shelf life. One and Only Live Nitrifying Bacteria prevents new tank syndrome by...

We store this in a climate controlled environment to keep it fresh - Good for 6 months at room temperature, 1 year at 50°F. Best to keep refrigerated for longest shelf life. One and Only Live Nitrifying Bacteria prevents new tank syndrome by...

We store this in a climate controlled environment to keep it fresh - Good for 6 months at room temperature, 1 year at 50°F. Best to keep refrigerated for longest shelf life. One and Only Live Nitrifying Bacteria prevents new tank syndrome by...

Featured is a LED filter cartridge change indicator light that flashes when the cartridge becomes clogged with debris, providing a reminder that it's time to replace the cartridge. A great benefit of the Aqueon QuietFlow filters is the internal pump...

Featured is a LED filter cartridge change indicator light that flashes when the cartridge becomes clogged with debris, providing a reminder that it's time to replace the cartridge. A great benefit of the Aqueon QuietFlow filters is the internal pump...

Featured is a LED filter cartridge change indicator light that flashes when the cartridge becomes clogged with debris, providing a reminder that it's time to replace the cartridge. A great benefit of the Aqueon QuietFlow filters is the internal pump...

Featured is a LED filter cartridge change indicator light that flashes when the cartridge becomes clogged with debris, providing a reminder that it's time to replace the cartridge. A great benefit of the Aqueon QuietFlow filters is the internal pump...

Featured is a LED filter cartridge change indicator light that flashes when the cartridge becomes clogged with debris, providing a reminder that it's time to replace the cartridge. A great benefit of the Aqueon QuietFlow filters is the internal pump...

The Phosphorus Ultra Low Range Checker® HC Calibration Check Set provides a simple solution to validating the Phosphorus Ultra Low Range Checker® HC - HI736 that has a range of 0 to 200 ppb as phosphorus. This high-quality set of standards is...

The HTG Series is our premier line of fully submersible glass heaters with thermostat control. Our HTG heaters offer a compact design for versatile placement and are extra durable due to the built-in glass element. The thermostat control makes it simple...

Coral Balance is a modern nutrient control system that enhances metabolic turnover rates. It was specifically formulated to reactivate and stabilize nutrient cycles and alkalinity control in modern reef aquaria. Phosphate reduction, which is usually hard...