Ultum Nature Systems HOB Refugium - UNS Dual AIO Aquarium Back Chamber Hang on Back Fuge for Saltwater Macro Algae, Natural Phosphate & Nitrate Reduction Fish Tank Accessory - Black
Ultum Nature Systems HOB Refugium - UNS Dual AIO Aquarium Back Chamber Hang on Back Fuge for Saltwater Macro Algae, Natural Phosphate & Nitrate Reduction Fish Tank Accessory - Black
Ultum Nature Systems HOB Refugium - UNS Dual AIO Aquarium Back Chamber Hang on Back Fuge for Saltwater Macro Algae, Natural Phosphate & Nitrate Reduction Fish Tank Accessory - Black
Ultum Nature Systems HOB Refugium - UNS Dual AIO Aquarium Back Chamber Hang on Back Fuge for Saltwater Macro Algae, Natural Phosphate & Nitrate Reduction Fish Tank Accessory - Black
Ultum Nature Systems HOB Refugium - UNS Dual AIO Aquarium Back Chamber Hang on Back Fuge for Saltwater Macro Algae, Natural Phosphate & Nitrate Reduction Fish Tank Accessory - Black
Ultum Nature Systems HOB Refugium - UNS Dual AIO Aquarium Back Chamber Hang on Back Fuge for Saltwater Macro Algae, Natural Phosphate & Nitrate Reduction Fish Tank Accessory - Black
Ultum Nature Systems HOB Refugium - UNS Dual AIO Aquarium Back Chamber Hang on Back Fuge for Saltwater Macro Algae, Natural Phosphate & Nitrate Reduction Fish Tank Accessory - Black
Experience freshwater and saltwater functionalities within a single, cohesive ecosystem.
Ultum Nature Systems HOB Refugium - UNS Dual AIO Aquarium Back Chamber Hang on Back Fuge for Saltwater Macro Algae, Natural Phosphate & Nitrate Reduction Fish Tank Accessory - Black
Item #: 124978041

Ultum Nature Systems HOB Refugium - UNS Dual AIO Aquarium Back Chamber Hang on Back Fuge for Saltwater Macro Algae, Natural Phosphate & Nitrate

Item #: 124978041

MWK 144959

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Experience freshwater and saltwater functionalities within a single, cohesive ecosystem.
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What Stands Out

Dual AIO Design
Innovative dual All-in-One setup maximizes filtration efficiency while maintaining a compact footprint, perfect for space-constrained aquariums.
Natural Filtration
Enhances water quality by utilizing natural macro algae for phosphate and nitrate reduction, promoting a healthier aquatic environment without chemicals.
Easy Installation
User-friendly hang-on-back design ensures effortless installation and maintenance, enabling hobbyists of all levels to improve their tank's ecosystem easily.

Product Details

Shop Ultum Nature Systems HOB Refugium - UNS Dual AIO Aquarium Back Chamber Hang on Back Fuge for Saltwater Macro Algae, Natural Phosphate & Nitrate Reduction Fish Tank Accessory - Black online at a best price in Malawi. B0F356ZY67
  • Efficient Filtration & Cultivation: The UNS HOB Refugium for Aquariums is a hang-on-back filtration system designed to provide optimal conditions for macroalgae cultivation like Chaetomorpha. Cultivate beneficial bacteria and macroalgae to naturally remove nitrates, phosphates, and other pollutants, significantly improving water clarity and overall tank health.
  • Innovative Design: Specifically designed to fit neatly into the second chamber of Ultum Nature Systems (UNS) Dual AIO aquariums, enhancing filtration efficiency and biodiversity. Suitable for most saltwater aquariums; easily integrates with other UNS fish tank accessories, providing a versatile solution for effective nutrient export and biological filtration.
  • Perfect for Saltwater Setups: Ideal saltwater aquarium accessory for reef tanks, this hang-on refugium supports live coral, aquatic plants, and promotes beneficial bacteria growth for maintaining balanced aquarium water conditions.
  • Easy Installation & Maintenance: Features an effortless hang-on-back refugium design secured with clear acrylic screws, allowing quick installation and convenient maintenance. Constructed to accommodate dedicated refugium lights for your live aquatic plants and coral. Separate access to the algae refugium and lighting components simplifies macroalgae maintenance and cleaning without hindrance.
  • Specification & Compatibility: Crafted from durable black acrylic, this refugium offers both aesthetic appeal and longevity, blending seamlessly with modern aquarium setups. Dimensions: 3.15" x 2.68" x 8.35" (8 x 6.8 x 21.6 cm). Compatibility: It is designed to be compatible with all UNS AIO aquariums and can fit any aquarium brand with a tank wall thickness of up to 12mm for hanging the hob refugium.
ManufacturerUltum Nature Systems
Date First AvailableMarch 31, 2025
Brand NameUltum Nature Systems
Target Audience KeywordFish
Item Weight5 lbs (2.27 kg)

Who Should Buy?

Suitable For
  • Saltwater Enthusiasts

    Ideal for saltwater aquarium owners seeking an effective solution for nutrient control with macro algae.

  • Aquarium Hobbyists

    Perfect for hobbyists wanting to enhance their aquariums with natural filtration and aquatic plant growth.

  • Eco-Conscious Users

    Great for users looking for a sustainable and natural way to reduce phosphates and nitrates in their tanks.

Not Suitable For
  • Freshwater Users

    Not suitable for freshwater aquariums, as it is specifically designed for saltwater environments.

  • Compact Tank Owners

    Incompatibility with small or nano tanks due to size and installation requirements of the hang-on back design.

  • Low Maintenance Seekers

    Not ideal for users preferring low-maintenance setups, as it requires regular upkeep for optimal performance.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the Ultum Nature Systems HOB Refugium used for?

    Answer: The Ultum Nature Systems HOB Refugium is designed to enhance your aquarium's ecosystem by fostering the growth of beneficial macroalgae. This helps in naturally removing phosphates and nitrates, improving water quality. By integrating this back chamber refugium into your setup, you create a specialized environment for algae to thrive, which can help maintain a balanced aquarium by reducing harmful compounds.
  • Question: How does the HOB Refugium promote healthier aquarium conditions?

    Answer: The HOB Refugium utilizes macroalgae to process nutrients like nitrates and phosphates naturally. This method not only purifies the water but also provides a habitat for microfauna, which can contribute to biodiversity. For hobbyists, having a secondary chamber for algae growth improves overall tank health, leading to happier fish and more vibrant coral.
  • Question: Is the Ultum Nature Systems HOB Refugium suitable for all saltwater aquariums?

    Answer: Yes, the Ultum Nature Systems HOB Refugium is ideal for a wide range of saltwater aquatic environments. Its design accommodates various macroalgae species, making it versatile for different setups. Whether you have a reef tank or a fish-only aquarium, it can enhance water parameters and create a more stable environment for aquatic life.
  • Question: How do you install the Ultum Nature Systems HOB Refugium?

    Answer: Installation of the HOB Refugium is straightforward as it hangs conveniently on the back of your aquarium. Simply attach the refugium unit, connect it to your filtration system, and fill it with macroalgae and substrate. This design allows for easy access, enabling regular maintenance while keeping the refugium separate from the main tank's water flow.
  • Question: Can I use the Ultum Nature Systems HOB Refugium in a freshwater tank?

    Answer: While the Ultum Nature Systems HOB Refugium is primarily designed for saltwater environments, it can be adapted for freshwater aquariums, especially those looking to cultivate specific plant species. However, ensure that the macroalgae you choose is compatible with freshwater conditions for optimal results.
  • Question: What type of macroalgae should I use with the HOB Refugium?

    Answer: Commonly recommended macroalgae for the Ultum Nature Systems HOB Refugium include Chaetomorpha, Caulerpa, and Mandarin. Each type performs well in nutrient export, helping to reduce phosphates and nitrates. You may choose based on your aquarium's specific needs, light availability, and desired aesthetic outcome.
  • Question: What are the benefits of using a back chamber refugium?

    Answer: Using a back chamber refugium like the Ultum Nature Systems HOB unit provides a host of benefits, including improved water quality, natural filtration, and an environment for beneficial organisms. It acts as a biological filter, creating a mini-ecosystem that can enhance the resilience of your primary aquarium, leading to healthier aquatic life.
  • Question: What is the ideal lighting for the HOB Refugium?

    Answer: The ideal lighting for the Ultum Nature Systems HOB Refugium includes full-spectrum LED lights that mimic natural sunlight. This lighting promotes optimal macroalgae growth and photosynthesis. Placing the refugium in a well-lit area can also boost algae productivity, further assisting in nutrient absorption and overall tank health.
  • Question: How often should I maintain the HOB Refugium?

    Answer: Maintenance frequency for the Ultum Nature Systems HOB Refugium largely depends on your aquarium's nutrient levels and growth rates. Typically, you'll want to inspect and prune macroalgae weekly, and perform water changes based on your main tank's needs. Regular maintenance not only maintains efficiency but also promotes a thriving macroalgae population.
  • Question: Where can I buy Ultum Nature Systems HOB Refugium in Malawi?

    Answer: You can purchase the Ultum Nature Systems HOB Refugium from Ubuy, a trusted e-commerce platform in Malawi. They offer a wide selection of aquarium products, including this specialized refugium, ensuring you have access to quality items for your aquatic ecosystem.

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