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Neptune SystemsProducts (194)
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On Sale 20%
On Sale 20%Ecotech Marine Custom WHITE Controller Board - Adaptive Reef
Adaptive Reef$379.99$303.99Take your equipment organization to the next level with custom controller boards from Adaptive Reef. The Neptune Systems Controller Board is a modular wire management system with cutouts and spacing... -
On Sale 15%
On Sale 15%APEX Display Mount - ORANGE - Vivid Creative
VCA Vivid Creative$14.99$12.74Mount your Neptune APEX display in style. with this new APEX Display Holder. Simple Installation Features a simple mounting slot for super easy to mounting and aligning. This kit includes the mount... -
On Sale 15%
On Sale 15%APEX Display Mount - WHITE - Vivid Creative
VCA Vivid Creative$14.99$12.74Mount your Neptune APEX display in style. with this new APEX Display Holder. Simple Installation Features a simple mounting slot for super easy to mounting and aligning. This kit includes the mount... -
On Sale 15%
On Sale 15%APEX Display Mount - AQUA BLUE - Vivid Creative
VCA Vivid Creative$14.99$12.74Mount your Neptune APEX display in style. with this new APEX Display Holder. Simple Installation Features a simple mounting slot for super easy to mounting and aligning. This kit includes the mount... -
On Sale 15%
On Sale 15%APEX Display Mount - BLACK - Vivid Creative
VCA Vivid Creative$14.99$12.74Mount your Neptune APEX display in style. with this new APEX Display Holder. Simple Installation Features a simple mounting slot for super easy to mounting and aligning. This kit includes the mount... -
Daisy-Chain Cable w/ 90 Degree Connector - Kessil
Kessil$20.00The Kessil A80 Unit Link Cable, 90 degree connector can be used to connect together unlimited Kessil LED Lights. It is offered mostly with the A80s in mind as the 90 degree connector is more... -
On Sale 15%
On Sale 15%Salinity Probe Stability Kit (SPS) without Pump - VCA
VCA Vivid Creative$27.95$23.76This kit was created to be used in conjunction with Neptune Systems salinity/conductivity probe. It allows the probe to stay clean and fixes a well know issue with the salinity probe. Microbubbles... -
On Sale 15%
On Sale 15%Salinity Probe Stability Kit (SPS) w/ Sicce Micra Pump 90 gph - VCA
VCA Vivid Creative$49.94$42.45This kit was created to be used in conjunction with Neptune Systems salinity/conductivity probe. It allows the probe to stay clean and fixes a well know issue with the salinity probe. Microbubbles... -
2 Part Doser - Single Head Dosing Pump (MP810) - Milwaukee Instruments
Milwaukee Instruments$171.95With 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... -
Abyzz 3rd Party Controller Interface Cable - Abyzz
Abyzz$284.58Connect your Abyzz pump to an APEX controller with this simple to install interface cable and use Fusion to do all your programming for 24-hour cycles, enable feed modes, and apply warnings and... -
On Sale 15%
On Sale 15%SWF-POD - Sample Water Filter Pod - VCA
VCA Vivid Creative$22.95$19.51The Pre-Filter That Can Help Protect Your Most Sensitive Equipment Pre-filter for any device that draws water from your sump Works with automated testing devices such as the Neptune Trident line... -
On Sale 15%
On Sale 15%Insight Standard Aquarium Controller Display for Apex - Avid Aqua
AvidAqua$159.95$135.96Your Tank’s Vitals, visible at a Glance. Upgrade your reef monitoring experience with the AvidAqua InSight—a modern, full-color touchscreen display designed exclusively for Neptune Systems Apex users -
On Sale 15%
On Sale 15%Insight Pro Aquarium Controller Display for Apex - Avid Aqua
AvidAqua$199.95$169.96Your Tank’s Vitals, visible at a Glance. Upgrade your reef monitoring experience with the AvidAqua InSight—a modern, full-color touchscreen display designed exclusively for Neptune Systems Apex users -
CarbonDoser Electronic CO2 Regulator
CarbonDoser$449.99The new V2.0 allows for the aquarist to position the CO2 cylinder out of the way in a remote area. Then mounting the "box" anywhere such as up on a board with all the electronics/pH... -
Upgrade Kit - Quantum 300 EQ Protein Skimmer (up to 1000 Gallons) - NYOS Aquatics
NYOS$799.99Transform your existing NYOS Quantum® skimmer into a smart, autonomous, and fully controllable device. This upgrade kit integrates seamlessly with Mobius™ (Ecotech Marine) and Apex Fusion (Neptune... -
Upgrade Kit - Quantum 160 EQ Protein Skimmer (up to 125 Gallons) - NYOS Aquatics
NYOS$299.99Transform your existing NYOS Quantum® skimmer into a smart, autonomous, and fully controllable device. This upgrade kit integrates seamlessly with Mobius™ (Ecotech Marine) and Apex Fusion (Neptune... -
Upgrade Kit - Quantum 220 EQ Protein Skimmer (up to 500 Gallons) - NYOS Aquatics
NYOS$399.99Transform your existing NYOS Quantum® skimmer into a smart, autonomous, and fully controllable device. This upgrade kit integrates seamlessly with Mobius™ (Ecotech Marine) and Apex Fusion (Neptune... -
Octo Pulse 2+ Wave Pump (1600 gph) - Reef Octopus
Reef Octopus$404.24Max Flow: 1,600gph | 5~10watts | 20 - 80+ gallons Includes: Pulse 2 pump, power supply and new WiFi Controller with mounting cradle. Applicable for glass or acrylic aquariums up to 1/2 in. -
Octo Pulse 4+ Wave Pump (4500 gph) - Reef Octopus
Reef Octopus$461.99Max Flow: 1,600gph | 5~10watts | 20 - 80+ gallons Includes: Pulse 2 pump, power supply and new WiFi Controller with mounting cradle. Applicable for glass or acrylic aquariums up to 1/2 in. -
On Sale 15%
On Sale 15%300 Watt Titanium Heater Element - Bulk Reef Supply
Bulk Reef Supply$74.99$63.74We have been on the hunt for a reliable heating element that solves a lot of the issues we currently have with other heaters in the hobby. We have always had issues with heaters that have built-in... -
On Sale 15%
On Sale 15%100 Watt Titanium Heater Element - Bulk Reef Supply
Bulk Reef Supply$64.99$55.24We have been on the hunt for a reliable heating element that solves a lot of the issues we currently have with other heaters in the hobby. We have always had issues with heaters that have built-in... -
On Sale 15%
On Sale 15%200 Watt Titanium Heater Element - Bulk Reef Supply
Bulk Reef Supply$69.99$59.49We have been on the hunt for a reliable heating element that solves a lot of the issues we currently have with other heaters in the hobby. We have always had issues with heaters that have built-in... -
On Sale 15%
On Sale 15%Dual 600 Watt (1200 Total) Titanium Heater System w/Inkbird 306 Controller - Bulk Reef Supply
Bulk Reef Supply$193.99$164.891200 Watts in Total w/Inkbird Controller - We recommend lower wattage dual elements with a heater controller for extra redundancy. We have been on the hunt for a reliable heating element that solves... -
On Sale 15%
On Sale 15%600 Watt Titanium Heater Element - Bulk Reef Supply
Bulk Reef Supply$89.99$76.49We have been on the hunt for a reliable heating element that solves a lot of the issues we currently have with other heaters in the hobby. We have always had issues with heaters that have built-in... -
On Sale 15%
On Sale 15%Dual 100 Watt (200 Total) Titanium Heater System w/Inkbird 306 Controller - Bulk Reef Supply
Bulk Reef Supply$179.99$152.99200 Watts in Total w/Inkbird Controller - We recommend lower wattage dual elements with a heater controller for extra redundancy. We have been on the hunt for a reliable heating element that solves... -
On Sale 15%
On Sale 15%Dual 300 Watt (600 Total) Titanium Heater System w/Inkbird 306 Controller - Bulk Reef Supply
Bulk Reef Supply$199.99$169.99600 Watts in Total w/Inkbird Controller - We recommend lower wattage dual elements with a heater controller for extra redundancy. We have been on the hunt for a reliable heating element that solves... -
On Sale 15%
On Sale 15%Dual 200 Watt (400 Total) Titanium Heater System w/Inkbird 306 Controller - Bulk Reef Supply
Bulk Reef Supply$189.99$161.49400 Watts in Total w/Inkbird Controller - We recommend lower wattage dual elements with a heater controller for extra redundancy. We have been on the hunt for a reliable heating element that solves... -
On Sale 20%
On Sale 20%Blade Hybrid Submersible Algae Scrubber Reactor Small 10" w/Refugium LED - Adaptive Reef
Adaptive Reef$599.99$479.99The Adaptive Reef x AquaIllumination (AI) Hybrid Refugium Algae Reactor is a device designed for nutrient export in saltwater aquariums. It is particularly useful for reef keepers who may not have... -
On Sale 20%
On Sale 20%Blade Hybrid Submersible Algae Scrubber Reactor Large 16" w/Refugium LED - Adaptive Reef
Adaptive Reef$699.99$559.99The Adaptive Reef x AquaIllumination (AI) Hybrid Refugium Algae Reactor is a device designed for nutrient export in saltwater aquariums. It is particularly useful for reef keepers who may not have... -
VarioS-4S Controllable Skimmer Pump - Reef Octopus
Reef Octopus$461.99Max Flow: 422gph / Max Air: 1500 L/H (52 SCFH)* Efficiency: 24V / 40watts Dimensions: 4.75in(W) x 5.7in(L) x 4in(H) Controller Features: multiple pause times, float switch safety and0-10v input... -
Regal 200 EXT Recirculating Protein Skimmer (Up To 400 Gallons) - Reef Octopus
Reef Octopus$1,154.99External Recirculating Skimmer Rated for Aquariums up to 400 Gallons Footprint: 15.7" x 13.8" | Reaction Chamber: 8" | Height: 25.4"Powered by: Reef Octopus 24V VarioS-4S Controllable Recirculating... -
Regal 150 INT Protein Skimmer (up to 210 Gallons) - Reef Octopus
Reef Octopus$658.34The new and innovative Reef Octopus Regal 150-INT in-sump protein skimmer supplies powerful filtration for aquariums up to 210 gallons where sump space is not limited. The Reef Octopus Regal 150-INT... -
Octo VarioS-2 Controllable DC Water Pump - Reef Octopus
Reef Octopus$311.84VarioS 2 Water Pump Specs Output thread size: 1in slip PVCInlet union size: 1in slip PVCOutlet Barb Size: 1/2-3/4in Stepped Dimensions: 4.75in(W) x 5.7in(L) x 4in(H) Voltage: DC 24VPower... -
Elite 200 INT Super Cone Protein Skimmer - Reef Octopus
Reef Octopus$958.64The new and innovative Reef Octopus ELITE 200-INT in-sump protein skimmer supplies powerful filtration for aquariums up to 400 gallons. The Reef Octopus ELITE 200-INT is constructed of high-quality... -
Elite 220 INT Super Cone Protein Skimmer - Reef Octopus
Reef Octopus$1,108.79The new and innovative Reef Octopus Elite 220-INT in-sump protein skimmer supplies powerful filtration for aquariums up to 530 gallons. The Reef Octopus Elite 220-INT is constructed of high-quality... -
Regal 300 INT Protein Skimmer (500-700 Gallons) - Reef Octopus
Reef Octopus$1,085.69In-Sump Skimmer Rated for Aquariums up to 700 Gallons Footprint: 18" x 12.2" | Reaction Chamber: 12" | Height: 25.4"Powered by: Reef Octopus VarioS-6S Controllable Pinwheel PumpController... -
On Sale 15%
On Sale 15%200 Watt Digital Titanium Heater - HMC-200S - Finnex
Finnex$49.99$42.49Engineered for Serious Aquatic Climate Stability Maintain a flawless, stable environment for your sensitive reef and marine setups with the Finnex HMC Titanium Aquarium Heater Series. -
On Sale 15%
On Sale 15%300 Watt Digital Titanium Heater - HMC-300S - Finnex
Finnex$59.99$50.99Engineered for Serious Aquatic Climate Stability Maintain a flawless, stable environment for your sensitive reef and marine setups with the Finnex HMC Titanium Aquarium Heater Series. -
On Sale 15%
On Sale 15%500 Watt Digital Titanium Heater - HMC-500S - Finnex
Finnex$69.99$59.49Engineered for Serious Aquatic Climate Stability Maintain a flawless, stable environment for your sensitive reef and marine setups with the Finnex HMC Titanium Aquarium Heater Series. -
Regal 250 SSS Space Saving Skimmer (300-600 Gallons) - Reef Octopus
Reef Octopus$1,097.24The new and innovative Reef Octopus Regal 250-SSS in-sump protein skimmer supplies powerful filtration for aquariums up to 600 gallons where sump space may be limited. The Reef Octopus Regal 250-SSS...
Featured Products
AR836 Algae Reactor 2026 (Commercial) - Geo's Reef
Geo's Reef
$1,849.00
The NEW 2026 GEO AR836 Algae Reactor Commercial is designed to filter your aquarium water by removing phosphates, nitrates, Co2 and help raise your aquarium pH without the use of artificial media...
On Sale
15%
On Sale
15%
Red Acan Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm
$129.99
$110.49
Red Acan Colony WYSIWYG (Egg crate squares are 3/4")
If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice.
Red Acan Colony WYSIWYG is a fast...
On Sale
15%
On Sale
15%
7" NOSOK Filter Sock No Sock Replacement Silencer Cup - VCA
VCA Vivid Creative
$74.95
$63.71
Stop Washing Dirty Filter Socks Forever
Nobody likes dealing with a laundry bucket full of dirty, foul-smelling 7-inch filter socks. Traditional filter cups choke flow quickly, and automated fleece...
Free ICP Test Kit - ATI
ATI
$19.99
FREE ON ALL ORDERS OVER $150 - Just add to Cart!
ATI Free Seawater ICP
Free ICP test for your seawater!
With the ATI ICP test service you can send ATI a seawater sample. ATI will test your...
Carbo Ex Filter (1.5 Liter) - Includes 1000g Granulate - ATI
ATI
$44.95
ATI® Carbo Ex Filter 1.5L
The ATI® Carbo Ex Filter 1.5Lis a ready-to-use, single-use filter cartridge containing 1,000 grams (approx. 1.25 liters) of ATI Carbo Ex Media and a fine dust filter.ATI®...
ION-B Ca/Mg+ Powder (2.245g - Makes 6,000 mL) - NYOS
NYOS
$44.99
The Nyos® ION-B method is a state-of-the-art dosing system for modern reef tanks. The system is simple and intuitive and can be individually adapted to the needs of your aquarium.
With just two...
ION-B Ca/Mg+ Powder (1,122g - Makes 3,000 mL) - NYOS
NYOS
$24.99
The Nyos® ION-B method is a state-of-the-art dosing system for modern reef tanks. The system is simple and intuitive and can be individually adapted to the needs of your aquarium.
With just two...
ION-B ALK/pH+ Powder (1,342g - Makes 6,000 mL) - NYOS
NYOS
$44.99
The Nyos® ION-B method is a state-of-the-art dosing system for modern reef tanks. The system is simple and intuitive and can be individually adapted to the needs of your aquarium.
With just two...
ION-B ALK/pH+ Powder (671g - Makes 3,000 mL) - NYOS
NYOS
$24.99
The Nyos® ION-B method is a state-of-the-art dosing system for modern reef tanks. The system is simple and intuitive and can be individually adapted to the needs of your aquarium.
With just two...
On Sale
10%
On Sale
10%
BioSpace Reactor 8-2 (8" x 21") Up to 500 Gallons - Bashsea
Bashsea
$599.99
$539.99
Elevate your aquarium’s ecosystem with the Bashsea BioSpace Reactor, the most effective biological filter currently available on the market. Engineered for the serious hobbyist, this reactor utilizes...
On Sale
10%
On Sale
10%
BioSpace Reactor 6-2 (6" x 21") Up to 225 Gallons - Bashsea
Bashsea
$399.99
$359.99
Elevate your aquarium’s ecosystem with the Bashsea BioSpace Reactor, the most effective biological filter currently available on the market. Engineered for the serious hobbyist, this reactor utilizes...
On Sale
10%
On Sale
10%
BioSpace Reactor 4-2 (4" x 21") Up to 110 Gallons - Bashsea
Bashsea
$219.99
$197.99
Elevate your aquarium’s ecosystem with the Bashsea BioSpace Reactor, the most effective biological filter currently available on the market. Engineered for the serious hobbyist, this reactor utilizes...
On Sale
15%
On Sale
15%
4" NOSOK Filter Sock No Sock Replacement Silencer Cup - VCA
VCA Vivid Creative
$44.95
$38.21
Silence Your Sump and Simplify Your Maintenance Routine
Tired of the constant splashing and "gurgling" sounds coming from your filter socks? The VCA No-Sock 4-Inch Silencer is the ultimate solution...
On Sale
15%
On Sale
15%
Small-In-One Nomad Portable Traveling Aquarium (0.5 Gallon) - PNW Custom
PNW Custom
$349.99
$297.49
0.5 Gallon Fully Sealed Traveling Aquarium
The world’s first fully sealed traveling aquarium.
The Small-In-One Nomad is a compact 0.5-gallon aquarium designed for safely transporting and displaying...
On Sale
15%
On Sale
15%
MEGA Filtra 950 SDC Aquarium Canister Filter Up to 250 Gal (568 gph) - Sicce
Sicce
$499.99
$424.99
Experience the next generation of aquarium filtration with the Sicce Mega Filtra Series. Entirely designed and manufactured in Italy, these premium canister filters combine heavy-duty
On Sale
15%
On Sale
15%
MEGA Filtra 900 Aquarium Canister Filter Up to 240 Gal (410 gph) - Sicce
Sicce
$349.99
$297.49
Experience the next generation of aquarium filtration with the Sicce Mega Filtra Series. Entirely designed and manufactured in Italy, these premium canister filters combine heavy
On Sale
15%
On Sale
15%
MEGA Filtra 650 Aquarium Canister Filter Up to 170 Gal (380 gph) - Sicce
Sicce
$299.99
$254.99
Experience the next generation of aquarium filtration with the Sicce Mega Filtra Series. Entirely designed and manufactured in Italy, these premium canister filters combine heavy
ReefControl Power 8 Deluxe w/Panel - Red Sea
Red Sea
$389.00
Get the best of both worlds with the ReefControl Power 8 Deluxe. This kit combines the 8-socket ReefBeat-controlled smart power center with the dedicated manual Control Panel 8, giving you the...
ReefControl Power 8 - Red Sea
Red Sea
$319.00
Welcome to the future of aquarium management. The ReefControl Power 8 is more than just a power strip; it's the brain of your operation, integrating seamlessly into the Red Sea ReefBeat ecosystem to...
ReefControl Pro Deluxe Kit Aquarium Controller - Red Sea
Red Sea
$699.00
The ReefControl Pro is the flagship smart controller for the Red Sea ReefBeat ecosystem. It acts as the central brain for all your monitoring and automation, allowing you to connect up to 7 ReefSense...