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In-Sump 27w UV Sterilizer - IceCap
Icecap$320.40The IceCap In-Sump UV Sterilizer makes installation, setup, and achieving great results easy and worry-free right in the comfort of your sump. It's available in 18W, 27W, and 40W High-Output options, giving you flexibility to choose what fits your needs... -
On Sale 15%
On Sale 15%Low Profile External Overflow Box - 1200GPH - Fiji Cube
Fiji Cube$184.99$157.24The Fiji Cube Low Profile External Overflow Box is the high-capacity solution for connecting your aquarium to a filtration sump, combining a minimalist design with powerful, quiet performance. This system allows you to drill your tank for a... -
EPM-10, Modified Epsilon Carbon Block Drinking Water Filter Cartridge (10.0 Micron) - Pentair
Pentair$9.44EPM-Series Cartridges are a modified version of our EP Series Cartridge. An economical price makes this cartridge suitable for taste, odor and chlorine taste & odor reduction, as well as sediment filtration.Features: Nominal 10 micron... -
UV-C Replacement Lamp 11W for ReeflexUV 800 - Eheim
EHEIM$49.99Replacement Part - UV-C Lamp 11W for ReeflexUV 800 (4112010) -
SRO 6000ext Recirculating External Protein Skimmer - Reef Octopus
Reef Octopus$1,297.99Rated for Aquariums up to 700 Gallons Footprint: 20.5" x 17" | Body Diameter: 12" | Height: 29"Pump: Reef Octopus Bubble Blaster 5000- Requires a 900-1400GPH Feed Pump to Operate High-Performance Protein Skimmer The Super Reef Octopus... -
Set of 2 Quick Release Lever (Metric M6) Thumbscrew Replacement - Slide Loc
Slide Loc$9.99Our latest evolution is to take on the meek and humble thumbscrew... often a thorn for hobbyists... and replace it with what can only be described as a massive leap forward. The Patent Pending lever replaces the need for many nylon thumb screws... -
Reef BluePrint Carbon8 (aq 9.20, 355 mL) - Captiv8 Aquaculture
Captiv8 Aquaculture$12.23Alkaline Solution for Improved pH Stability and Adjustment to a maximum value of 9.20 Parameter Total CO3 species Value 160,000 ppm Characteristics Active Components: USP-grade Sodium and/or Potassium salts of... -
SMS-4815 Smart Series Sump - Bashsea
Bashsea$759.00Designed with the popular Triton method in mind, yet Smart Series Sumps can be used in any traditional method as well: Triton Berlin Tech Traditional Custom Pair that with our bold look, pure build quality & strength, and fully adjustable... -
XFLO 6-3.5 Protein Fractionator Skimmer Venturi Driven - RK2
RK2$899.99The most important things to consider when purchasing a protein skimmer are performance, reliability, and durability. XFLO Protein Skimmers combine all the above to deliver one of the most innovative protein skimmers available today! NO PUMP... -
Adjustable RO Float Valve - Automatic Water Shut Off - Icecap
Icecap$19.99Never Overflow Your Reservoir Again The IceCap Adjustable RO Float Valve is an essential fail-safe for any hobbyist using a Reverse Osmosis (RO) or RO/DI system. Designed to prevent floods and water waste, this simple yet effective component... -
On Sale 15%
On Sale 15%Single 4" Diameter Quiet Filter Sock Holder (2nd Gen) - Fiji Cube
Fiji Cube$94.99$80.74The Fiji Cube Single 4" Diameter Quiet Filter Sock Holder (2nd Generation) is an essential upgrade for enhancing the mechanical filtration in your aquarium sump or AIO filter box. Designed for quiet operation, this holder effectively utilizes filter... -
AQUA FILTRA 20 Hang on Back Aquarium Filter - Sicce
Sicce$54.99Sicce AQUA FILTRA 20 Hang-On-Back Filter Compact Power and Whisper-Quiet Filtration for Small Aquariums Bring the world-renowned quality of Italian engineering to your smaller aquarium with the Sicce AQUA FILTRA 20. This compact and efficient... -
AQUA FILTRA 10-20 Replacement Sponges only (4 Pack) - Sicce
Sicce$4.49Genuine Sicce AQUA FILTRA 10-20 Replacement Sponges (4-Pack) Keep Your Compact Aquarium Filter Running at Peak Performance Maintain the essential filtration in your compact aquarium with the Genuine Sicce AQUA FILTRA 10-20 Replacement Sponges. This... -
500 DC Reef Skim 2.0 Protein Skimmer - TMC
TMC$224.99The TMC Reef Skim 2.0 500 DC Protein Skimmer is a high-performance device designed for efficient and quiet operation in marine aquariums. This protein skimmer has an innovative water outlet design that allows water to exit through the base, increasing... -
5" Space Saving Media Reactor - Adaptive Reef
Adaptive Reef$234.99Boost Filtration & Save Space with Adaptive Reef Perfect for Both Small and Large Aquarium Systems Holds Two Different Media Types Separately in a Single Reactor Choose Between 4" and 5" Models Adjustable Design with Precision Control for... -
Classic Vario+e 250 Canister Filter - WiFi (13-66 Gallons) - Eheim
EHEIM$264.95EHEIM classicVARIO+e - the smart version of the classic filter, proven millions of times, with wireless electronic control and the world‘s unique BLDC pump in an external filter. With the EHEIM classicVARIO+e you choose three things: First, for the... -
NR618 Nitrate Reducing Sulfur Reactor GEN 3 - RED - Geo's Reef
Geo's Reef$595.00The NR618 shown will hold roughly 15 pounds of sulfur media in the chamber and is well suited for heavy loaded aquariums up to 200 gallons. Nitrate Reducing Sulfur reactors are the most underrated methods for reducing nitrates. For those with large... -
3" Amalgam High Output Standard Pro-Max UV Sterilizer (120 Watts) - Lifegard
Lifegard$999.76Lifegard Aquatics introduces the Pro-MAX™ UV Sterilizer, featuring a patent-pending, flow-through design with less restrictive angled inlet and outlet ports requiring less plumbing. This unique design enables easy installation of new or replacement... -
Classic 57 Watt UV White 3/4" Barb - Aqua Ultraviolet
Aqua Ultraviolet$691.77UV lamps emit a wavelength that will alter and disrupt the DNA or RNA of single-celled organisms. Combining the UV lamp into a large housing allows for maximum contact time with the lamp allowing the sterilizer to be much more efficient. By changing... -
Classic 57 Watt UV Black 3/4" Barb With Wiper - Aqua Ultraviolet
Aqua Ultraviolet$731.40This Model has a Wiper Option to clean the Quartz Sleeve UV lamps emit a wavelength that will alter and disrupt the DNA or RNA of single-celled organisms. Combining the UV lamp into a large housing allows for maximum contact time with the lamp allowing... -
8 watt Transformer (Ballast) Black, 120V/60Hz - Aqua Ultraviolet
Aqua Ultraviolet$137.43Aqua Ultraviolet 8 watt Transformer Black, 120V/60Hz -
On Sale 15%
On Sale 15%Advanced Hang On Back Refugium Box PRO SERIES - Medium - Fiji Cube
Fiji Cube$259.99$220.99The Fiji Cube Advanced Hang On Back (HOB) Refugium Box PRO SERIES in Medium is a convenient and robust filtration solution designed to enhance the water quality and biological diversity of your aquarium, specifically recommended for 10 to 30-gallon... -
VCA FLEX Series - Canister Filter Upgrade Kit (1/2") - VCA
VCA Vivid Creative$27.99Canister Filters Designed to work with all the most common pipe/outlet sizes found on popular canister filtration systems such as: EHEIM Fluval FX AquaEl Marineland Oase and more Kit Includes: The Patented Random Flow Generator®... -
Cartridge Adapter - Two Little Fishies
Two Little Fishies$11.17To be used withour PhosBan Reactor 550 and Metasorb Cartridge. -
Aquos Class CUBE MEDIUM Aqua-Fuge - Eshopps
Eshopps$374.98Celebrate Creativity with ESHOPPS, AQUA-FUGE which features a NEW Creative & Innovative design. Featuring ESHOPPS unique Dual Water Channel Design (ECD). AQUA-FUGE utilizes two separate water flow channels. One for the Refugium and the other to the... -
48-18-16 Rimless Bio Refugium Sumps - Bashsea
Bashsea$749.00Bio-Fuge Sumps - A simple rimless sump for any modern aquarium. - Bashsea's Bio-Fuge Sumps are the only fully featured rimless sump on the market. Our bold look and pure build quality & strength is at it's finest, and our rimless... -
XFLO 6-2.5 Protein Fractionator Skimmer Venturi Driven - RK2
RK2$849.99The most important things to consider when purchasing a protein skimmer are performance, reliability, and durability. XFLO Protein Skimmers combine all the above to deliver one of the most innovative protein skimmers available today! NO PUMP... -
CR220 DC Calcium Reactor 9" W/Varios 6 Pump - Reef Octopus
Reef Octopus$1,027.94VarioS CR220 9 inch Calcium Reactor SKU: OCT-CALR220 Footprint: 16.5″ x 11″ | Body Diameter: 9″ | Height: 23″ Recirculation Pump: Reef Octopus VarioS 6 Calcium/Alkalinity... -
MEGA Filtra 900 Aquarium Canister Filter Up to 240 Gal (410 gph) - Sicce
Sicce$349.99Experience 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 performance with user-friendly features to keep your... -
On Sale 15%
On Sale 15%Advanced Hang On Back Refugium Box PRO SERIES - Large - Fiji Cube
Fiji Cube$299.99$254.99The Fiji Cube Advanced Hang On Back (HOB) Refugium Box PRO SERIES in Large is an excellent external filtration system designed to improve water quality, control nutrients, and boost the biological diversity of your reef or freshwater... -
On Sale 15%
On Sale 15%Low Profile External Overflow Box - 2000GPH - Fiji Cube
Fiji Cube$279.99$237.99The Fiji Cube Low Profile External Overflow Box (2000 GPH) is the ultimate solution for large or high-flow aquarium systems, designed to convert any standard tank into a drilled system with a massive flow capacity. It combines a minimal... -
On Sale 20%
On Sale 20%Surface Skimmer - Ista
Ista$16.99$13.59Quick Overview Eliminates surface films caused by protein and organisms Improves the exchange of oxygen and penetration of light Self-floating design adjusts according to the water level Marine aquariums with no surface overflow benefit... -
NR818 Nitrate Reducing Sulfur Reactor GEN 3 - RED - Geo's Reef
Geo's Reef$775.00The NR818 shown below will hold roughly 20 pounds of sulfur media in the chamber and is well suited for heavy loaded aquariums up to 300-600 gallons. Nitrate Reducing Sulfur reactors are the most underrated methods for reducing nitrates. For those with... -
NR618 Nitrate Reducing Sulfur Reactor GEN 3 "Saltwater Blue Edition" - Geo's Reef
Geo's Reef$595.00The NR618 shown will hold roughly 15 pounds of sulfur media in the chamber and is well suited for heavy loaded aquariums up to 200 gallons. Nitrate Reducing Sulfur reactors are the most underrated methods for reducing nitrates. For those with large... -
Classic CR818 GEN 3 - 8" Calcium Reactor "Saltwater Edition" w/ Pump - Geo's Reef
Geo's Reef$775.00*******THESE REACTORS ARE IN STOCK AND WILL SHIP SAME DAY NEXT DAY - NO NEED TO WAIT FOR THEM TO BE BUILT******* The Classic CR818 GEN 3 will hold 24 pounds of large grain media and is well suited for large SPS reef displays and... -
KR818 Kalkwasser Reactor GEN3 - "Saltwater Edition" - Geo's Reef
Geo's Reef$754.00*******THESE REACTORS ARE IN STOCK AND WILL SHIP SAME DAY NEXT DAY - NO NEED TO WAIT FOR THEM TO BE BUILT******* This is the latest model GEO Kalkwasser Reactor GEN3. We have made many changes over the years to provide a better product. We use... -
Kold Ster-il 3-Stage Filtration System - Poly-Bio-Marine
$399.99Kold Ster-il Water Filter uses ten inch canisters (clear), 3/4" Npt. Threaded fittings, flows 3.8 Gpm (14.3Lpm) for approximately 5,000 gallons (18925 L.). The smaller system can provide lower lead, mercury, cadmium levels due to the addition, into the... -
Ruby ATO (5 Gallon) - Trigger Systems
Trigger Systems$154.995 GallonDimensions: 6″ long x 14″ wide x 15″ tall 10 Gallon Dimensions: 10″ long x 16″ wide x 15″ tall Laser etched handle Two 0.25″ OD hose ports Lid to prevent evaporation Opening for wires and... -
Ruby ATO (10 Gallon) - Trigger Systems
Trigger Systems$229.995 GallonDimensions: 6″ long x 14″ wide x 15″ tall 10 Gallon Dimensions: 10″ long x 16″ wide x 15″ tall Laser etched handle Two 0.25″ OD hose ports Lid to prevent evaporation Opening for wires and... -
Aquos Class AR-300 Aqua-Fuge - Eshopps
Eshopps$529.98Celebrate Creativity with ESHOPPS, AQUA-FUGE which features a NEW Creative & Innovative design. Featuring ESHOPPS unique Dual Water Channel Design (ECD). AQUA-FUGE utilizes two separate water flow channels. One for the Refugium and the other to the...