Collection: Seachem Conditoners
Seachem continues to lead the aquatic industry with its commitment to innovation, quality, and science-backed solutions. Whether you’re managing a nano tank, a fully planted system, or a coral-rich reef, the Seachem range at Charterhouse Aquatics gives you the tools to maintain crystal-clear water, stable chemistry, and a thriving environment.
Seachem continues to lead the aquatic industry with its commitment to innovation, quality, and science-backed solutions. Whether you’re managing a nano tank, a fully planted system, or a coral-rich reef, the Seachem range at Charterhouse Aquatics gives you the tools to maintain crystal-clear water, stable chemistry, and a thriving environment.
Read more...
Help Guides
How to Use Seachem Prime for Safe and Effective Water Conditioning
Water quality is the foundation of a healthy aquarium. Without proper conditioning, tap water can introduce harmful chemicals that stress or even kill fish, invertebrates, and beneficial bacteria. ...
read more
Water quality is the foundation of a healthy aquarium. Without proper conditioning, tap water can introduce harmful chemicals that stress or even kill fish, invertebrates, and beneficial bacteria. That’s where Seachem Prime comes in—a concentrated, highly trusted water conditioner designed for both freshwater and marine aquariums.
read less
The Complete Guide to Dosing Reef Fusion 1 & 2 in Marine Aquariums
Maintaining a thriving reef tank requires more than just strong lighting and stable salinity—it depends on the precise balance of calcium and alkalinity. Corals, especially stony types like SPS and...
read more
Maintaining a thriving reef tank requires more than just strong lighting and stable salinity—it depends on the precise balance of calcium and alkalinity. Corals, especially stony types like SPS and LPS, need these elements to build their skeletal structures and support metabolic function. This is where Seachem Reef Fusion 1 & 2 shine: a simple, two-part dosing system that delivers both calcium and carbonate alkalinity in perfect proportion.
read less
Purigen vs. Activated Carbon: Which Filtration Media Is Best for Your Tank?
Clear, healthy water is the foundation of any successful aquarium—freshwater or marine. When it comes to chemical filtration, aquarists often turn to two of the most widely used media: Seachem Puri...
read more
Clear, healthy water is the foundation of any successful aquarium—freshwater or marine. When it comes to chemical filtration, aquarists often turn to two of the most widely used media: Seachem Purigen and activated carbon. But while they both polish water and remove impurities, they differ significantly in function, longevity, and performance.
read less
How to Use Seachem Prime for Safe and Effective Water Conditioning
Water quality is the foundation of a healthy aquarium. Without proper conditioning, tap water can introduce harmful chemicals that stress or even kill fish, invertebrates, and beneficial bacteria. ...
read more
Water quality is the foundation of a healthy aquarium. Without proper conditioning, tap water can introduce harmful chemicals that stress or even kill fish, invertebrates, and beneficial bacteria. That’s where Seachem Prime comes in—a concentrated, highly trusted water conditioner designed for both freshwater and marine aquariums.
read less
The Complete Guide to Dosing Reef Fusion 1 & 2 in Marine Aquariums
Maintaining a thriving reef tank requires more than just strong lighting and stable salinity—it depends on the precise balance of calcium and alkalinity. Corals, especially stony types like SPS and...
read more
Maintaining a thriving reef tank requires more than just strong lighting and stable salinity—it depends on the precise balance of calcium and alkalinity. Corals, especially stony types like SPS and LPS, need these elements to build their skeletal structures and support metabolic function. This is where Seachem Reef Fusion 1 & 2 shine: a simple, two-part dosing system that delivers both calcium and carbonate alkalinity in perfect proportion.
read less
Purigen vs. Activated Carbon: Which Filtration Media Is Best for Your Tank?
Clear, healthy water is the foundation of any successful aquarium—freshwater or marine. When it comes to chemical filtration, aquarists often turn to two of the most widely used media: Seachem Puri...
read more
Clear, healthy water is the foundation of any successful aquarium—freshwater or marine. When it comes to chemical filtration, aquarists often turn to two of the most widely used media: Seachem Purigen and activated carbon. But while they both polish water and remove impurities, they differ significantly in function, longevity, and performance.
read less
Have Questions About Seachem Conditoners?
We Have Answers.
Get quick answers to common questions about Seachem Conditoners
What is Seachem and why is it trusted by aquarists?
Seachem is a globally recognised brand that has been providing scientifically formulated aquatic care products since 1980. From water conditioners and filtration media to reef supplements and plant fertilizers, Seachem’s product line covers nearly every aspect of freshwater and marine aquarium care. The brand is known for its lab-tested quality, consistency, and effectiveness, making it a top choice among both beginner and advanced hobbyists.
Seachem is a globally recognised brand that has been providing scientifically formulated aquatic care products since 1980. From water conditioners and filtration media to reef supplements and plant fertilizers, Seachem’s product line covers nearly every aspect of freshwater and marine aquarium care. The brand is known for its lab-tested quality, consistency, and effectiveness, making it a top choice among both beginner and advanced hobbyists.
What types of aquariums can Seachem products be used in?
Seachem offers solutions for freshwater, planted, brackish, marine, and reef aquariums. Whether you’re managing a tropical freshwater community tank, a high-tech aquascaped planted setup, or a demanding SPS reef system, Seachem has targeted solutions that support water stability, nutrient control, biological cycling, and trace supplementation.
Seachem offers solutions for freshwater, planted, brackish, marine, and reef aquariums. Whether you’re managing a tropical freshwater community tank, a high-tech aquascaped planted setup, or a demanding SPS reef system, Seachem has targeted solutions that support water stability, nutrient control, biological cycling, and trace supplementation.
What are the most popular Seachem products?
Seachem’s most recognized products include Prime, a water conditioner that removes chlorine, chloramine, and detoxifies ammonia; Stability, which introduces and supports beneficial bacteria for biofiltration; Purigen, a synthetic resin that removes organic waste and enhances water clarity; Reef Fusion 1 and 2, a balanced two-part calcium and alkalinity system for reef tanks; Matrix, a premium biological filter media; and Flourish, a staple nutrient supplement for freshwater planted aquariums.
Seachem’s most recognized products include Prime, a water conditioner that removes chlorine, chloramine, and detoxifies ammonia; Stability, which introduces and supports beneficial bacteria for biofiltration; Purigen, a synthetic resin that removes organic waste and enhances water clarity; Reef Fusion 1 and 2, a balanced two-part calcium and alkalinity system for reef tanks; Matrix, a premium biological filter media; and Flourish, a staple nutrient supplement for freshwater planted aquariums.
How do I use Seachem Prime correctly?
To use Seachem Prime, dose 5 mL per 200 litres of new or treated tap water. It should be used during water changes or anytime ammonia, nitrite, or heavy metals may be present. In emergency situations, up to five times the recommended amount may be safely used to detoxify harmful compounds and protect aquatic life.
To use Seachem Prime, dose 5 mL per 200 litres of new or treated tap water. It should be used during water changes or anytime ammonia, nitrite, or heavy metals may be present. In emergency situations, up to five times the recommended amount may be safely used to detoxify harmful compounds and protect aquatic life.
Can I use Seachem Stability with an established tank?
Yes, Seachem Stability is not limited to new tank setups. It is extremely useful in established tanks for reinforcing the biofilter after events like filter maintenance, medication use, or water parameter changes. Regular use helps maintain microbial diversity and ensures stable biological filtration.
Yes, Seachem Stability is not limited to new tank setups. It is extremely useful in established tanks for reinforcing the biofilter after events like filter maintenance, medication use, or water parameter changes. Regular use helps maintain microbial diversity and ensures stable biological filtration.
What is the difference between Reef Fusion 1 and Reef Fusion 2?
Reef Fusion 1 provides calcium and essential ions that support coral growth and skeletal development. Reef Fusion 2 contains carbonate and bicarbonate to maintain proper alkalinity and pH levels. Both should be used together in equal parts to provide a balanced, two-part supplement system ideal for reef aquariums.
Reef Fusion 1 provides calcium and essential ions that support coral growth and skeletal development. Reef Fusion 2 contains carbonate and bicarbonate to maintain proper alkalinity and pH levels. Both should be used together in equal parts to provide a balanced, two-part supplement system ideal for reef aquariums.
Is Purigen reusable, and how do I regenerate it?
Yes, Purigen is designed to be regenerated. When it darkens from white to brown or black, it can be soaked in a bleach and water solution (1:1 ratio) for 24 hours. After thorough rinsing, soak it in water treated with Seachem Prime to neutralize residual chlorine. Once complete, it can be reused multiple times. Never use Purigen in tanks treated with copper-based medications.
Yes, Purigen is designed to be regenerated. When it darkens from white to brown or black, it can be soaked in a bleach and water solution (1:1 ratio) for 24 hours. After thorough rinsing, soak it in water treated with Seachem Prime to neutralize residual chlorine. Once complete, it can be reused multiple times. Never use Purigen in tanks treated with copper-based medications.
Are Seachem products reef-safe?
Seachem offers a specific marine product line that is reef-safe and compatible with sensitive corals and invertebrates. Products such as Reef Fusion, Reef Builder, Reef Calcium, and PhosGuard contain no harmful substances and are free from phosphate, nitrate, or unbound metals. When dosed according to instructions, they support reef systems safely.
Seachem offers a specific marine product line that is reef-safe and compatible with sensitive corals and invertebrates. Products such as Reef Fusion, Reef Builder, Reef Calcium, and PhosGuard contain no harmful substances and are free from phosphate, nitrate, or unbound metals. When dosed according to instructions, they support reef systems safely.
How do Seachem plant fertilizers work in planted aquariums?
The Flourish line provides both macro and micronutrients for aquatic plants. Flourish Trace and Flourish provide essential elements, while Flourish Excel delivers bioavailable carbon. Seachem also offers focused nutrient products for nitrogen, phosphorus, potassium, and iron. These supplements are designed to support healthy growth, vivid colouration, and long-term aquascaping success.
The Flourish line provides both macro and micronutrients for aquatic plants. Flourish Trace and Flourish provide essential elements, while Flourish Excel delivers bioavailable carbon. Seachem also offers focused nutrient products for nitrogen, phosphorus, potassium, and iron. These supplements are designed to support healthy growth, vivid colouration, and long-term aquascaping success.
Can I use multiple Seachem products at once?
Yes, Seachem products are formulated to work in harmony. However, it’s important to follow dosing guidelines and avoid combining them with incompatible products. For example, Prime should not be used simultaneously with oxidising medications. Refer to Seachem’s compatibility resources or contact their support team for custom advice.
Yes, Seachem products are formulated to work in harmony. However, it’s important to follow dosing guidelines and avoid combining them with incompatible products. For example, Prime should not be used simultaneously with oxidising medications. Refer to Seachem’s compatibility resources or contact their support team for custom advice.
Are Seachem products safe for shrimp and invertebrates?
Most Seachem products are safe for use in shrimp and invertebrate tanks, including Prime, Stability, and Flourish. Always read the label for any exceptions. Products like Cupramine, which contain copper, should not be used in invertebrate systems.
Most Seachem products are safe for use in shrimp and invertebrate tanks, including Prime, Stability, and Flourish. Always read the label for any exceptions. Products like Cupramine, which contain copper, should not be used in invertebrate systems.
Where are Seachem products made?
All Seachem products are manufactured in the United States. The company is privately owned and independently operated, with a strong reputation for in-house research, quality control, and consistent product formulation.
All Seachem products are manufactured in the United States. The company is privately owned and independently operated, with a strong reputation for in-house research, quality control, and consistent product formulation.
Where can I get dosing help or product guidance?
You can contact the Charterhouse Aquatics customer support team for detailed help on selecting and using Seachem products. Additionally, the official Seachem website offers product calculators, compatibility charts, and technical guidance. For more advanced systems, Seachem’s customer service can provide personalized support.
You can contact the Charterhouse Aquatics customer support team for detailed help on selecting and using Seachem products. Additionally, the official Seachem website offers product calculators, compatibility charts, and technical guidance. For more advanced systems, Seachem’s customer service can provide personalized support.
Trusted by Aquarists Worldwide – Shop the Full Seachem Range
Explore the complete Seachem collection at Charterhouse Aquatics, featuring trusted water treatments, filtration media, reef supplements, and nutrient control solutions. Whether you’re running a freshwater planted tank, a high-performance marine system, or a thriving reef aquarium, Seachem offers scientifically backed, lab-tested products to help maintain ideal water chemistry and biological balance.
From industry favorites like Prime, Stability, Purigen, and Reef Fusion, to advanced aquascaping and trace element additives, Seachem delivers effective, reliable, and affordable solutions for every stage of aquarium care. Backed by decades of innovation and a reputation for quality, Seachem is a go-to brand for beginner and expert aquarists alike.
Shop Seachem at Charterhouse Aquatics for fast UK delivery, expert support, and a comprehensive selection of trusted aquatic care essentials.
