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HI731318 are microfiber cloths for wiping the cuvettes used in Checker HC (HI700 series) handheld colorimeters, photometers (HI96000 portable series and HI83000 benchtop series) and turbidity meters. These cloths remove dirt, grease and fingerprints...

The HI731315 are spare glass cuvettes and plastic caps used with the HI7XX Checker® HC colorimeters. Each cuvette has a 10 ml level mark to measure the appropriate volume. The HI731315 includes 2 cuvettes and 2 caps. 10 ml level mark for...

The HI98308 Pure Water tester is a rugged and reliable pocket-sized tester that offers quick and accurate readings. The HI98308 Pure Water tester features graphite electrodes to reduce polarization effects and an exposed temperature probe for fast...

The Checktemp® 1 Digital Thermometer - HI98509 is a high-accuracy thermometer with a 1 m (3.3’) flexible, silicone cable connecting the meter and the stainless steel probe. The sharp-tip penetration probe easily lances semi-solid products...

The HI 98501 Checktemp® is a digital thermometer with stainless steel penetration probe. It delivers high accuracy temperature measurements over a wide temperature range without worrying about breakage or condensation. The Checktemp® offers NO...

ALL-NEW DURABLE PACKAGING! Each 16oz portion of Tisbee Pods contains 3000+ LIVE Tisbe Copepods ranging from nauplii to adult sizes. Tisbee Pods are great for seeding new tanks and refugiums, boosting existing populations, or feeding...

The HI96822 is a rugged, portable digital refractometer designed for the measurement of salinity of natural or artificial seawater. The HI96822 displays results in three popular measurement units: Practical Salinity Units (PSU), salinity in parts per...

The HI98107 pHep® is an easy-to-use pH water tester that makes monitoring water quality simple. This accurate pH tester features 0.1 resolution with automatic two-point calibration and temperature compensation in a single, portable, pocket device...

The HI98108 pHep+® pH tester provides high accuracy measurements in a rugged pocket-sized design. This ph tester features an exposed temperature sensor for automatic temperature compensated readings. The simple, two-button operation and large...

Coralife UV replacement lamps are available for your Turbo-Twist. For optimal performance, it is recommended to replace your Turbo-Twist UV lamp after 4,000 hours of operation or every 6 months. Dimensions: 16.5in x 2.75in x 1in

Coralife UV replacement lamps are available for your Turbo-Twist. For optimal performance, it is recommended to replace your Turbo-Twist UV lamp after 4,000 hours of operation or every 6 months. Dimensions: 9in x 2.75in x 1in

Rock Sizing: 4-8″ - Smaller Sized Rocks Real Reef Rock is our standard reef building rock.  It is very light, porous and full of holes and crevices. It is three dimensional in shape and comes in many natural shades of purple, pink and red. It...

Coralife UV replacement lamps are available for your Turbo-Twist. For optimal performance, it is recommended to replace your Turbo-Twist UV lamp after 4,000 hours of operation or every 6 months. Dimensions: 6.75in x 1.5in x 1in

Coralife Turbo-Twist UV Sterilizers are the most efficient devices for ultraviolet sterilization on the market today. They feature a quartz glass sleeve with a PL compact fluorescent UV lamp surrounded by a revolutionary "Turbo-Twist" flow design to...

Coralife Turbo-Twist UV Sterilizers are the most efficient devices for ultraviolet sterilization on the market today. They feature a quartz glass sleeve with a PL compact fluorescent UV lamp surrounded by a revolutionary "Turbo-Twist" flow design to...

Coralife Turbo-Twist UV Sterilizers are the most efficient devices for ultraviolet sterilization on the market today. They feature a quartz glass sleeve with a PL compact fluorescent UV lamp surrounded by a revolutionary "Turbo-Twist" flow design to...

Operated exclusively via the FluvalSmart App on your mobile device, Aquasky allows you to control the light output of red, green blue and super bright 6500K white LEDs for infinite color blends. Programmable, gradual 24-hour light cycle settings...

Operated exclusively via the FluvalSmart App on your mobile device, Aquasky allows you to control the light output of red, green blue and super bright 6500K white LEDs for infinite color blends. Programmable, gradual 24-hour light cycle settings...

Operated exclusively via the FluvalSmart App on your mobile device, Aquasky allows you to control the light output of red, green blue and super bright 6500K white LEDs for infinite color blends. Programmable, gradual 24-hour light cycle settings...

SnappGrid Interlocking EggCrate - Get Cre-EGG-tive Raise your corals, raise your equipment and raise your expectations when you think of Innovative Marine's vision on what we should be calling standard egg crate. The SnappGrid is a black interlocking...

Great For Freshwater, Marine or Pond Environments Liquid Buffered ClorAm-X utilizes a patented molecule to destroy chloramine and then removes the ammonia and chlorine. Gone are the days of hoping your biological filtration can remove the bound up...

Great For Freshwater, Marine or Pond Environments Liquid Buffered ClorAm-X utilizes a patented molecule to destroy chloramine and then removes the ammonia and chlorine. Gone are the days of hoping your biological filtration can remove the bound up...

Great For Freshwater, Marine or Pond Environments Liquid Buffered ClorAm-X utilizes a patented molecule to destroy chloramine and then removes the ammonia and chlorine. Gone are the days of hoping your biological filtration can remove the bound up...

Red Sea Salt contains biologically balanced, elevated levels of the foundation elements (Calcium, Magnesium, Carbonates) necessary for sustainable, accelerated coral growth. Red Sea Salt is ideal for reef aquariums, in particular for LPS...

The seneye web server with WiFi module removes the need for a pc altogether and allows wireless connection from your seneye device to your router / modem The seneye web server will upload the data from your seneye home, reef, or pond device without the...

The seneye web server (SWS) allows you to make any seneye device work more efficiently and effectively. It allows you to use a seneye without a PC and view the results direct from your smart phone, tablet, or computer.  This version...

Ever found you have lost a Koi but didn’t know why? Have your had a pond leak, but found out too late? seneye Pond makes it easy for you to monitor your pond and protect your fish. The seneye can guard fish from the devastating effects of ammonia...

Ever lost a fish and not know why? Ever experience new tank syndrome and wished there was a way of knowing when the water is safe for your fish? With a seneye Home it’s now possible for even the most inexperienced fish keeper to be successful and...

IceCap Magnetic Seaweed Clip.  Mounts to surfaces up to 1/2" thick.  Magnetic

Each Sphere has a surface area of 580ft2 - 20 Spheres is roughly equivalent to 40+ pounds of Live Rock! Ultra-Compact Biological Filtration Media Maxspect’s Nano-Tech BioSpheres are a durable dense arrangement of smaller...

Each Sphere has a surface area of 580ft2 - 20 Spheres is roughly equivalent to 40+ pounds of Live Rock! Ultra-Compact Biological Filtration Media Maxspect’s Nano-Tech BioSpheres are a durable dense arrangement of smaller...

Peace at Mind Made Simple Featuring a Plug and Play design, Smart Level Security automatically detects the water level status when mounted. Magnetically-coupled sensor makes it easy to adjust to the desired level to secure your aquarium...

Temperature Security Made Simple Smart Temp Security uses a super tiny temperature sensor to secure the aquariums temperature. Magnetically-coupled sensor makes it so easy to install. Featured with Plug and Play design, no setting is needed...

Skimmer Security Made Simple Smart Skimmer Security by AutoAqua uses the uniquely-designed contactless optical sensor to prevent the protein skimmer from overflows. No moving parts to service or fail. Magnetically coupled sensor makes it super...

Safeguarding Your Aquarium Against Common Malfunctions Extremely Simple to Install Plug & Play Magnetically Coupled Sensor Auto Time Delay Why Choose Smart Security System? Smart Security System consists of three seperate penny sized...

Footprint: 2.75" x 3.2" | Reaction Chamber: 2" | Height: 13"Skimmer Pump: DCair 200 K1-Nano Technical Specs Skimmer Body: 2inFootprint: 2.7in x 3.2inTotal Height: 13inMagnet Mount: Up to 1/2in thick RecommendedWater Height: 6 - 9in Pump...

1½" Spheres Designed for Ammonia and Nitrite Removal One MarinePure Sphere has the same surface area as 1,350 plastic 1.5" bio-balls. Primarily designed to provide deep anaerobic zones for de-nitrification in passive systems. Live rock...

8x8x1" Plate Ammonia, Nitrite and Nitrate Removal Primarily designed to provide deep anaerobic zones for de-nitrification in passive systems. Live rock substitute-popular among reef hobbyists as a substitute for live rock because it reduces nitrates...

8x8x4" Block Ammonia, Nitrite and Nitrate Removal Primarily designed to provide deep anaerobic zones for de-nitrification in passive systems. Live rock substitute-popular among reef hobbyists as a substitute for live rock because it reduces nitrates...

The seneye+ disposable slide adds pH and NH3 monitoring to your seneye along with alerts and graphs for these dangerous pollutants. Each slide lasts 30 days. For use in conjunction with all seneye devices. Everyone should test their water to ensure...