Seachem Reef Status Strontium
Seachem Reef Status Strontium is an essential trace element supplement formulated to support healthy coral growth and skeletal development in marine aquariums. Strontium plays a key role in the formation of coral skeletons and enhances overall reef vitality when maintained at appropriate levels.
Designed for regular use or as part of a reef supplementation program, Reef Status Strontium helps maintain stable strontium concentrations, benefiting SPS, LPS, and soft coral systems.
Features & Benefits:
Provides strontium for coral skeletal development
Supports healthy coral growth and coloration
Helps maintain stable reef water chemistry
Safe for fish, invertebrates, and corals
Easy-to-use liquid formula
Trusted quality by Seachem
Ideal For:
Marine and reef aquariums
SPS, LPS, and soft coral systems
Aquarists targeting balanced trace element supplementation
For marine aquariums only. Use as directed and monitor strontium levels to maintain reef stability.
Seachem Reef Strontium – 250 ml / 500 ml
Description
A concentrated strontium supplement formulated for reef aquariums to help maintain strontium levels similar to those found in natural seawater. Strontium is an important trace element used by corals, coralline algae, and other reef organisms for skeletal formation and healthy growth. Regular supplementation helps replace strontium depleted through coral uptake, filtration, and protein skimming, supporting a stable and thriving reef environment.
Key Features
• Concentrated strontium supplement for reef aquariums• Helps maintain natural seawater strontium levels• Supports coral and coralline algae skeletal growth• Ideal for SPS, LPS, and reef aquariums with coralline algae• Easy liquid dosing for accurate supplementation
Benefits
✔ Supports strong coral skeletal development✔ Encourages healthy growth of coralline algae✔ Helps maintain balanced trace element levels✔ Promotes a stable and healthy reef system
Usage
Test strontium levels in your aquarium using a reliable test kit.
Determine the appropriate dose based on aquarium volume and test results.
Add the supplement to a high-flow area of the aquarium or sump.
Monitor strontium levels regularly and adjust dosing as required.
Seachem Reef Trace 250 ml - 500 ml
Description
A balanced trace element supplement designed to restore and maintain important trace elements in reef aquariums. Trace elements are rapidly depleted through coral growth, filtration, and protein skimming. Regular supplementation helps replace these essential elements, supporting coral health, growth, and overall reef stability.
Key Features
• Comprehensive trace element supplement for reef aquariums• Replenishes elements depleted through filtration and coral uptake• Supports coral growth and biological processes• Suitable for SPS, LPS, soft corals, and other reef invertebrates• Easy-to-dose liquid formula
Benefits
✔ Restores essential trace elements in reef systems✔ Supports coral health and natural growth✔ Helps maintain a stable and balanced reef environment✔ Complements regular reef supplementation routines
Usage
Determine the appropriate dose based on aquarium size.
Add the supplement to a high-flow area of the aquarium or sump.
Dose regularly as part of your reef maintenance routine.
Monitor aquarium parameters and adjust dosing if required.
Seachem Reef Zooplankton – 250 ml - 500 ml
Description
A concentrated zooplankton supplement formulated to provide essential nutrition for reef aquariums. Zooplankton is a natural food source for corals, clams, sponges, and other filter-feeding invertebrates. Regular supplementation helps promote coral growth, enhance coloration, and support overall reef ecosystem health.
Key Features
• Concentrated zooplankton food for reef aquariums• Provides essential nutrients for filter-feeding organisms• Supports corals, clams, sponges, and other invertebrates• Helps maintain a balanced reef feeding routine• Easy liquid dosing
Benefits
✔ Provides natural nutrition for filter feeders✔ Supports coral growth and vibrant coloration✔ Promotes overall reef health and biodiversity✔ Enhances the activity and vitality of reef organisms
Usage
Shake well before use.
Turn off protein skimmers or mechanical filtration temporarily if needed.
Add the recommended dose directly to a high-flow area of the aquarium.
Feed regularly as part of your reef maintenance and feeding routine.
Seachem Replenish (250ml / 500ml)
Seachem Replenish is a comprehensive mineral supplement designed to restore essential minerals lost during water changes, especially when using RO or deionized water. It provides calcium, magnesium, potassium, and trace minerals required for healthy fish, plant growth, and overall aquarium stability.
Replenish helps maintain proper osmotic balance, supports biological processes, and improves overall water quality in freshwater aquariums.
Features & Benefits:
Restores essential minerals removed during water changes
Contains calcium, magnesium, potassium, and trace elements
Supports healthy fish, plants, and beneficial bacteria
Helps maintain proper osmotic balance
Ideal for use with RO/DI water
Safe for fish, plants, shrimp, and invertebrates
Trusted quality by Seachem
Available Sizes:
Replenish – 250ml
Replenish – 500ml
For freshwater aquariums only. Use as directed. Best used as part of a complete water conditioning and mineral supplementation program.
Seachem Safe is a highly concentrated water conditioner used in aquariums.
What it does:
Removes chlorine, chloramine, and ammonia
Detoxifies nitrite and nitrate
Safe for freshwater and marine aquariums
Similar to Seachem Prime, but in powder form (much more concentrated)
Why people use it
Very cost-effective
Long shelf life
Great for large tanks, fish rooms, or emergencies
Important safety note
Extremely concentrated — overdosing can harm fish
Always measure carefully
Do not inhale the powder
Store away from moisture
Basic dosing (very important)
¼ teaspoon treats ~300 gallons (1,135 L)
For small tanks, it must be pre-dissolved and carefully measured
Seachem Salinity™ – 29.8 kg Premium Reef Salt Mix
Ultra-Pure, Laboratory-Grade Salt for Demanding Reef Aquariums
Seachem Salinity™ (29.8 kg) is a premium, scientifically formulated reef salt designed for serious marine aquarists who want exceptional stability, purity, and performance. Created for coral-intensive systems, Salinity provides the ideal balance of major, minor, and trace elements needed to support vibrant, healthy reef environments.
Key Features
Laboratory-Grade Purity: Manufactured using pharmaceutical-grade components for unmatched consistency and quality.
Optimized for Reef Growth: Perfect balance of calcium, alkalinity, and magnesium to support SPS, LPS, and mixed reefs.
High Concentration Formula: Produces more saltwater per kilogram than standard mixes—great value for large systems.
Fast Dissolving: Mixes clean and clear with minimal residue or unwanted precipitation.
Stable Chemistry: Designed to maintain consistent parameters, even in demanding coral setups.
Trusted by Professionals: Used worldwide in advanced reef systems, coral farms, and high-end marine aquariums.
Ideal For
SPS & LPS reef tanks
Mixed reef aquariums
Coral growers and frag systems
Large tank setups needing reliable, high-output salt mix
Why You’ll Love It
Seachem Salinity™ delivers professional-grade performance with every batch. Whether you are growing delicate SPS or maintaining a thriving reef community, this 29.8 kg bucket ensures you get consistent, clean, and stable water chemistry—every time you mix.
Seachem Salinity™ – Bulk Drum
High-Capacity Premium Reef Salt for Large Marine Systems
The Seachem Salinity™ Drum is a large-volume, professional-grade reef salt option designed for aquarists, coral farms, and marine facilities that require consistent, high-quality saltwater in bulk. Formulated using laboratory-grade ingredients, Salinity™ delivers stable and reliable chemistry for even the most demanding reef environments.
Key Features
Bulk Capacity: Ideal for large tanks, commercial systems, and high-volume water changes.
Ultra-Pure Formula: Made using pharmaceutical-grade components for unmatched consistency and clarity.
Optimized for Corals: Balanced levels of calcium, alkalinity, magnesium, and essential trace elements to support SPS, LPS, and mixed reefs.
High Yield: Concentrated formula produces more saltwater per unit than standard marine salts.
Rapid, Clean Dissolve: Mixes quickly with minimal residue, clouding, or unwanted precipitation.
Professional Reliability: Trusted by reef clubs, commercial growers, and advanced hobbyists.
Ideal For
Large reef aquariums
Coral farms & frag systems
Marine shops & commercial facilities
High-demand hobbyists using automated mixing systems
Why It’s Great
The Seachem Salinity™ Drum ensures you always have a reliable supply of premium reef salt on hand. Perfect for maintaining stable parameters in large or coral-heavy tanks, it offers both convenience and top-tier performance in one bulk packaging solution.
Seachem SeaGel 250 ml – 1 L
Description
Seachem SeaGel is a premium dual‑purpose filtration media that combines the power of MatrixCarbon and PhosGuard in a single blend to quickly remove a wide range of water contaminants. It targets organic waste, color‑causing compounds, acids, toxic metals, phosphate, and silicate to improve overall water quality without introducing phosphate into the system. SeaGel is ideal for both freshwater (non‑phosphate‑buffered) and marine aquariums, particularly where superior water clarity and purity are desired.
Key Features
50/50 blend of MatrixCarbon and PhosGuard media for broad filtration action
Removes organic waste, color, acids, metals, phosphate, and silicate
Bead‑shaped media for optimal water flow and contact
Works in both freshwater (non‑phosphate buffered) and marine aquariums
Available in sizes from 250 ml to 1 L
More convenient than using separate media bags
Benefits
Enhances water clarity by removing dissolved organics and discoloration
Helps reduce algae‑favoring nutrients like phosphate and silicate
Improves overall aquarium water quality and stability
Protects sensitive fish and marine life from toxic metals and acids
Combines two filtration functions in one media—saving space and hassle
Usage
Rinse lightly before first use to remove dust
Place in a filter media bag or media chamber in a high‑flow area
Use roughly 250 ml per 150–225 L of aquarium water
Ensure water flows through media for maximum contact and efficiency
Replace media after approximately 3–4 months or when water quality no longer improves
Suitable for both freshwater (non‑phosphate buffered) and marine filtration setups
Seachem Seed
Seachem Seed is a concentrated blend of beneficial bacteria designed to rapidly establish and maintain the biological filtration in aquariums. It contains a diverse mix of aerobic, anaerobic, and facultative bacteria that help break down waste, reduce ammonia and nitrite, and improve overall water quality.
Unlike many bacterial supplements, Seed supports both the nitrogen cycle and organic waste degradation, making it ideal for new tank setups, filter maintenance, and after water changes or medication use. It helps create a stable and healthy environment for fish and other aquatic life.
Key Features:
Contains a diverse blend of beneficial bacteria
Helps establish and maintain biological filtration
Aids in reducing ammonia and nitrite
Supports organic waste breakdown
Ideal for new aquariums and ongoing maintenance
Safe for freshwater and marine systems
Suitable For:
Freshwater aquariums
Marine and reef aquariums
New tank cycling
Filter maintenance and cleaning
After water changes or medication
Available Sizes:
150ml
350ml
1L
Seachem Seed is an essential biological supplement for maintaining clean, stable, and healthy aquarium water, supporting both new and established systems.
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.
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.