Element™ Replacement Sponges – 3pc Pack
For Aqua Vitro Element Systems
The Element™ Replacement Sponges (3pc) are designed to maintain smooth, consistent water flow within Aqua Vitro Element reactors. These durable mechanical filter sponges help trap debris before it enters the reactor chamber, protecting equipment and improving overall performance.
Key Features
3-Piece Value Pack: Always have clean sponges ready for rotation or replacement.
Designed for Element Reactors: Perfect fit for Aqua Vitro Element Ca & M systems.
Improves Reactor Efficiency: Captures fine debris, preventing clogs and uneven flow.
Durable & Reusable: High-quality foam can be rinsed and reused multiple times.
Quick & Easy Maintenance: Simple to remove and replace during routine cleaning.
Ideal For
Element Ca Reactor
Element M Reactor
Marine sump filtration
Aquariums needing reliable pre-filtration
Why You’ll Love It
These sponges help keep your Element reactor running smoothly, protect pumps from debris, and support stable, efficient mineral dosing—making them a must-have for long-term reef maintenance.
Filter Sock & Small Sponge – Division / Element (3pc Pack)
Compatible with Seachem Division & Aqua Vitro Element Systems
This 3-piece Filter Sock & Small Sponge Pack is designed for aquarists who want reliable, long-lasting mechanical filtration for their Seachem Division or Aqua Vitro Element systems. Each piece helps trap debris, detritus, and fine particles before they reach pumps, chambers, or reactor media—keeping your system running smoothly and your water crystal clear.
Key Features
Triple Pack Value: Includes 3 high-quality filter socks with matching small sponges—perfect for keeping spares ready for rotation.
Mechanical Precision: Effectively captures fine debris to improve water clarity and protect your equipment.
Perfect Compatibility: Designed to fit Division skimmers and Element reactors without restricting flow.
Washable & Reusable: Made from durable materials that can be rinsed and reused for long-term use.
Easy Swap Design: Quick to remove and replace, making routine maintenance simple and efficient.
Ideal For
Seachem Division Skimmer systems
Aqua Vitro Element Reactors (Ca & M)
Sump filtration setups
Marine and freshwater tanks needing extra mechanical filtration
Why It’s Useful
Keeping spare filter socks and sponges on hand ensures your system never runs without proper mechanical filtration. This 3-pack helps maintain consistent water quality, protects pumps from clogging, and supports a cleaner, healthier aquarium environment.
Filter Sock & Small Sponge – Division / Element (1pc)
Compatible with Seachem Division & Aqua Vitro Element Systems
This Filter Sock & Small Sponge (1pc) replacement set is designed for use with the Seachem Division and Aqua Vitro Element filtration and reactor systems. It helps maintain clean, stable water by trapping fine particles, detritus, and debris before they enter sensitive equipment or media chambers.
Key Features
High-Efficiency Mechanical Filtration: Captures fine debris and suspended particles to keep water clear and equipment protected.
Perfect Fit: Designed to work seamlessly with Division and Element models, ensuring proper flow and performance.
Durable, Washable Materials: Made from strong, long-lasting fabric and foam that can be rinsed and reused.
Protects Pumps & Reactors: Prevents clogging and wear by filtering out unwanted particles before they reach internal components.
Easy Installation: Simple to remove, clean, and reinstall—ideal for routine tank maintenance.
Ideal For
Division skimmers
Element reactors (Ca & M systems)
Sump filtration setups
Marine and freshwater aquariums needing extra mechanical filtration
Why You’ll Love It
This replacement filter sock and sponge set helps keep your system running smoothly, improving water clarity while extending the lifespan and efficiency of your equipment. A simple but essential part of keeping your aquarium stable and healthy.
Seachem Element™ Ca Reactor – Stable Calcium Support for Marine Aquariums
The Seachem Element™ Ca Reactor is designed to deliver consistent, balanced calcium and alkalinity supplementation for marine aquariums. Built for reef keepers who want strong coral growth with minimal maintenance, the Element Reactor provides precise control, efficient dissolution, and steady mineral delivery—keeping your tank stable and thriving.
Key Features
High-Efficiency Reaction Chamber: Optimized for even CO₂ distribution and maximum media contact, ensuring strong calcium and alkalinity output.
Reliable CO₂ Integration: Designed for smooth, controlled gas injection that prevents pH swings and helps maintain ideal conditions for reef corals.
Easy Fine-Tuning: Adjustable flow rate and bubble rate allow precise mineral supplementation tailored to your tank’s needs.
Durable, Marine-Safe Construction: Built from high-quality acrylic and corrosion-resistant components suitable for long-term saltwater use.
Quiet, Smooth Operation: Engineered for low vibration and stable running—ideal for cabinet setups.
Simple Maintenance: Easy access to the media chamber and fittings makes cleaning and refilling straightforward.
Perfect For
SPS and LPS reef tanks
Systems requiring stable calcium, alkalinity, and magnesium levels
Aquarists wanting automated mineral replenishment
Medium to large marine aquariums with growing coral populations
Why You’ll Love It
The Seachem Element™ Ca Reactor creates a stable environment that promotes strong coral skeleton growth, healthy polyp expansion, and consistent alkalinity levels. By delivering minerals automatically and evenly, it removes the daily dosing hassle and helps maintain balanced water chemistry—perfect for serious reef keepers seeking long-term stability.
Seachem Division Skimmer 125 / 250 / 500 – Powerful, Quiet & Efficient Protein Removal
The Seachem Division Skimmer Series is engineered to deliver exceptional organic waste removal while staying quiet, stable, and easy to maintain. Designed for marine aquariums of all sizes, the Division 125, 250, and 500 models offer hobbyists a reliable skimming solution backed by Seachem’s reputation for precision and quality.
Whether you’re running a compact nano reef or a large marine system, there’s a Division model built to match your tank’s needs.
Key Features (All Models)
High-Efficiency Needle Wheel Pump: Creates fine, dense microbubbles for maximum protein extraction.
Quiet, Balanced Performance: Engineered to run smoothly with minimal vibration and noise.
Easy Maintenance: Removable collection cup and simple disassembly make cleaning fast and stress-free.
Precise Water Level Control: Adjustable output allows accurate tuning for different bio-loads and water conditions.
Durable Build: Made from high-quality, marine-safe materials designed for long-term use.
Compact Footprint: Fits easily into most sump compartments without sacrificing power.
Model Breakdown
🌊 Division 125 – For Small to Medium Marine Tanks
Ideal Tank Size: Up to ±125 litersPerfect for nano reefs and compact setups needing dependable, efficient skimming without a large footprint.
Benefits:
Great for beginners or small reef systems
Quiet operation
Reliable daily nutrient control
🌊 Division 250 – For Medium-Sized Reef Systems
Ideal Tank Size: Up to ±250 litersA balanced choice for most home reef tanks needing strong performance and easy tuning.
Benefits:
Stronger pump and bubble density
More precise adjustments
Handles moderate to heavy bioloads
🌊 Division 500 – For Large or Heavily Stocked Tanks
Ideal Tank Size: Up to ±500 litersBuilt for reef keepers who need robust skimming capacity and long-lasting consistency.
Benefits:
High power and large reaction chamber
Stable, efficient nutrient export
Great for SPS-dominant or heavily fed systems
Why Choose the Seachem Division Series?
Seachem designed the Division skimmers to be powerful yet user-friendly, giving hobbyists the perfect balance of performance, reliability, and ease of use. Clear adjustments, strong construction, and efficient microbubble technology make these skimmers ideal for achieving cleaner, clearer, and healthier marine water.
Seachem Aquarium Brushes – Precision Cleaning for a Healthy, Clear Tank
The Seachem Aquarium Brushes set is designed to help aquarists clean hard-to-reach areas with ease. Made for safe use on aquarium equipment, tubing, and glassware, these brushes make routine maintenance faster, cleaner, and more effective—so your tank stays spotless and your equipment runs at peak performance.
Key Features
Multi-Size Brush Set: Includes a range of brush diameters for cleaning filters, intake pipes, outflow pipes, heaters, tubing, and delicate equipment.
Designed for Aquariums: Made from aquarium-safe materials that won’t scratch glass or damage sensitive components.
Flexible & Durable: Strong stainless-steel cores with flexible shafts make it easy to reach bends, corners, and narrow spaces.
Effective Cleaning: Bristles remove accumulated algae, debris, and biofilm without harsh effort.
Easy Grip: Non-slip handle ends help you maintain control during cleaning.
Perfect For
Canister filter pipes
Airline tubing
Lily pipes
Protein skimmer parts
Aquarium equipment and accessories
Hard-to-reach corners where algae builds up
Why You’ll Love It
Seachem’s Aquarium Brushes are a must-have for any aquarist who wants crystal-clear water and well-maintained gear. Compact, durable, and designed specifically for aquarium use, they help you keep everything running smoothly with minimal effort.
Seachem Sentia™ Tubing & Calibration Tube – Accurate Flow, Reliable Dosing
The Seachem Sentia™ Tubing & Calibration Tube is an essential accessory for keeping your Sentia automated dosing system precise and dependable. Designed specifically for the Sentia platform, this set ensures smooth liquid flow and accurate calibration so your aquarium receives the exact amount of supplements it needs.
Key Features
Precision Tubing: High-quality, flexible, and kink-resistant tubing designed for consistent flow and reliable additive delivery.
Calibration Tube Included: Makes it quick and simple to measure and calibrate your dosing system for perfect accuracy.
Easy Installation: Fits seamlessly onto Sentia Primary and Secondary modules without tools or complicated setup.
Aquarium-Safe Materials: Safe for use with fertilizers, conditioners, buffers, and trace elements in both freshwater and marine systems.
Clear Visibility: Transparent tubing helps you see flow and identify any blockages or air bubbles with ease.
Ideal For
Setting up new Sentia dosing modules
Replacing worn tubing for improved performance
Ensuring your dosing system stays accurate over time
Planted tanks, reef aquariums, and freshwater systems
Why It Matters
Accurate dosing is key to stable water parameters. With the Sentia™ Tubing & Calibration Tube, you can trust that your supplements are delivered smoothly and precisely—keeping your aquarium healthy with less effort.
Seachem Sentia™ Side Cover & Mounting – Clean, Secure, and Professional Finishing
The Seachem Sentia™ Side Cover & Mounting Kit is designed to give your Sentia dosing system a polished, organized, and secure installation. Whether you're expanding your system or refining your setup, this accessory keeps everything tidy while ensuring the modules mount safely and neatly to your chosen surface.
Key Features
Neat, Finished Look: The side cover creates a seamless finish on your Sentia dosing line, hiding connectors and giving your system a clean, professional appearance.
Secure Mounting: Includes hardware designed for firm and stable mounting on cabinets, walls, or stands—keeping your reservoirs in place and easy to access.
Modular-Friendly: Fits perfectly with the Sentia Primary and Secondary modules, allowing you to expand your system while maintaining a neat layout.
Simple Installation: Snap-on design and straightforward mounting points make setup quick and hassle-free.
Durable Build: Made from strong, aquarium-safe materials built to handle humidity and daily use.
Perfect For
Aquarists building a multi-module Sentia dosing setup
Anyone wanting a clean, hidden, and organized equipment area
Cabinet mounting, rack mounting, or wall installations
Why You’ll Love It
The Sentia™ Side Cover & Mounting Kit keeps your dosing system looking sharp while ensuring every module stays secure and aligned. It’s the finishing touch that turns a functional setup into a professional one.
Seachem Sentia™ Secondary – Expand Your Automated Dosing System
The Seachem Sentia™ Secondary is an add-on dosing reservoir designed for aquarists who want to expand their Sentia automated dosing setup with additional supplements. Whether you’re running a planted aquarium, a reef system, or a specialized freshwater tank, the Secondary container allows you to easily add more additives to your dosing routine with clean, organized control.
Key Features
Modular Expansion: Connects effortlessly to the Sentia Dose system so you can run multiple supplements without clutter.
Secure & Durable Design: Built from quality, aquarium-safe materials that keep your additives protected.
Clear Visibility: Marked volume indicators allow you to see exactly how much supplement remains.
Easy Identification: Includes a labeling space so you can track which product is inside—ideal when using multiple reservoirs.
Wide Fill Port: Simple, no-mess refills whether you’re adding fertilizers, trace elements, buffers, or conditioners.
Perfect For
Planted tanks using multiple fertilizers
Reef aquariums with trace element programs
Freshwater systems requiring regular dosing
Aquarists who want precise, hands-free supplement delivery
Why It’s Useful
The Sentia™ Secondary lets you grow your dosing system at your own pace. Add one, two, or several reservoirs—each integrates neatly into the Sentia modular design, keeping your aquarium additives organized and your water parameters consistent.
Seachem Sentia™ Primary – Smart Dosing Made Simple
Seachem Sentia™ Primary is a modern, easy-to-use liquid dosing container designed for hobbyists who want cleaner, safer, and more accurate aquarium maintenance. Built to pair with the Sentia Dosing System, this reservoir makes it effortless to store and dispense your favorite Seachem additives without mess or guesswork.
Key Features
Smart Compatibility: Works seamlessly with the Seachem Sentia Dose pump system for automated, controlled dosing.
Durable & Safe Materials: Made from high-quality, aquarium-safe plastics that protect sensitive supplements from light and contamination.
Simple Refill Design: Wide-mouth opening allows quick, spill-free filling of fertilizers, conditioners, supplements, and trace elements.
Clear Level Indicators: Easily view how much product remains so you never run out unexpectedly.
Customisable Labeling: Includes an area to mark which supplement is inside for organized dosing across multiple containers.
Ideal For
Freshwater and marine aquariums
Dosing fertilizers, trace elements, buffers, conditioners & more
Aquarists using the Seachem Sentia automated dosing ecosystem
Why You’ll Love It
Sentia™ Primary brings simplicity and precision together. Whether you're running a high-tech planted setup or maintaining a reef system, this container keeps your additives tidy, measured, and ready for automated delivery—so your tank stays stable and thriving with less effort.