The HI736-25 are the replacement reagents for the HI736 Phosphorus Ultra Low Range Checker HC. These high quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet for...

PLEASE ONLY PURCHASE 1x Two Month Supply.  We will not be able to restock any reagents for the next 30 days. 2-month reagent kit (based on the default testing schedule of 4-Alk/2-Ca/2-Mg per day).  The reagent kit has at least 240...

Trident Reagent Kit 6 Month Supply - With six month kits, the cost of running the Trident is less than $17 per month - that’s averages out to about 7 cents a test! Neptune Systems recommends keeping on hand no more Trident reagent than you might...

Now Includes a Prepaid USPS First Class Shipping Label + Testing is Now Done in the USA! The results of this test provide you with the most detailed analysis of marine aquarium water you've ever seen, enabling you to understand exactly what's missing,...

This is the only ICP Test Kit currently on the market that includes the prepaid return shipping label to send the samples in.  Just pop it in the mail box. With the ARCOS II ICP-OES machine, we have chosen an analyser of the highest in its class...

To be notified when these are GOING LIVE FOR SALE ahead of time - Join our SALTWATER INSIDERS Facebook Group - https://www.facebook.com/groups/187825998816311/  Neptune Systems decided to do a very small limited release of these units and we...

The Kessil AP700 leverages the technology of Kessil's award-winning pendant lights and expands it into a larger, 185-watt panel platform. With two 60-LED chip arrays, the AP700 delivers up to 4 feet of coverage. This powerhouse is also equipped with...

Design: Redesigning the plastics in the Hydra lineup has resulted in two major benefits: better efficiency and better aesthetics. Efficiency improvements reduce the demands on active cooling for longer component life. Improvements to design thin the...

High output saltwater reef lighting systems include wireless remote control, IR light & pump controller, IC light manifold HUB 12VDC power supply and adjustable docking mounts. Fully upgradeable to Bluetooth for mobile device operation...

Wireless wave pump systems include eFlux wave pump, magnetic swivel bracket, eFlux Wave Pump LED display with IR remote control, eFlux Wave Pump manifold HUB (connects up to 3 eFlux pumps), prefilter pad and 24VDC power supply. Fully upgradeable to...

Spot Check - Get marine water testing for the 8 core elements of a saltwater fish tank from the comfort of home.  Use this mail in water test to spot check your marine aquarium and/or verify what your seeing on your home test kits. It is time to...

Radions are the standard in aquarium lighting for a reason. Each generation incorporates the best of proven results and the latest in design and technology to give our customers a blend of state-of-the-art tech to achieve unparalleled success. Radion -...

Based on the Gyre patented, cross-flow technology, the ReefWave pumps provide optimal REEF-SPEC® water flow for corals in a wide range of reefscapes, regardless of their position in the aquarium. Silent, powerful, and easy to set up and maintain, the...

Based on the Gyre patented, cross-flow technology, the ReefWave pumps provide optimal REEF-SPEC® water flow for corals in a wide range of reefscapes, regardless of their position in the aquarium. Silent, powerful, and easy to set up and maintain, the...

The Gyre 300 pumps combine all the key features from the Maxspect Gyre 100 and 200 series while at the same time, improving quality, ease of maintenance and enhanced performance.  The Gyre 300 series has been completely redesigned with less parts...

Now Includes a Prepaid USPS First Class Shipping Label + Testing is Now Done in the USA! The results of this test provide you with the most detailed analysis of marine aquarium water you've ever seen, enabling you to understand exactly what's missing,...

IN STOCK! Radions are the standard in aquarium lighting for a reason. Each generation incorporates the best of proven results and the latest in design and technology to give our customers a blend of state-of-the-art tech to achieve unparalleled success...

Reagent refill for Red Sea Nitrate Pro Test Kit. Enough reagent for 100 tests. Red Sea reagent refills make this line of test kits one of the most affordable high quality test kits available.  

SYNCRA SDC are the latest generation of SYNCRA pumps and are equipped with integrated intelligence systems to meet the needs of advanced recirculating applications. With programming freedom, controllability is finally coupled with power, energy...

Redesigned optics provide an even light distribution that blankets your aquarium with up to 48” of coverage. This uniform coverage minimizes hot spots and creates an effect similar to that of a metal halide / T5 combo...

The XStream SDC propeller pump is the latest addition to the Cloud based family of interconnected Wi-Fi aquarium devices introduced by SICCE with SYNCRA SDC range. With the FREE download of ContrALL, you can control the pump from using ContrALL App and...

Design: Redesigning the plastics in the Hydra lineup has resulted in two major benefits: better efficiency and better aesthetics. Efficiency improvements reduce the demands on active cooling for longer component life. Improvements to design thin the...

Deeper. Wider. Stronger. Red Sea’s ReefLED® series is the result of years of research into the lighting needs of corals in artificial environments. Features REEF-SPEC® light output for optimal coral growth and...

The first reef aquarium light available in the USA by Philips, a leader in technological innovation since 1891. It has the light quality you'd expect from T5 or Metal Halide with all the benefits of LED. It has 68 state-of-the-art LEDs, a patented...

The first reef aquarium light available in the USA by Philips, a leader in technological innovation since 1891. It has the light quality you'd expect from T5 or Metal Halide with all the benefits of LED. It has 68 state-of-the-art LEDs, a patented...