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Pax Bellum Algae Reactor
$999.00
Please note: Our dry goods are typically drop-shipped and may not always be available in-store. Stock is also subject to supplier availability. We recommend calling before ordering to confirm availability.
Advanced macroalgae filtration for a healthier reef aquarium.
Improve nutrient management in your reef aquarium with the Pax Bellum ARID Algae Reactor. Designed to grow macroalgae within an illuminated chamber, this innovative filtration system helps remove excess nutrients from aquarium water while supporting oxygen production and pH stability.
The ARID reactor uses Chaetomorpha macroalgae to absorb nutrients such as nitrate and phosphate as it grows. Its integrated LED lighting system provides illumination for the algae, while the enclosed design helps optimise nutrient uptake in a compact space. This makes it a practical option for reef keepers looking to improve water quality and maintain a balanced marine aquarium environment.
Why Choose the Pax Bellum Algae Reactor?
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Nutrient reduction: Uses growing macroalgae to help remove excess nitrate and phosphate from aquarium water.
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Integrated LED lighting: Provides dedicated lighting to support macroalgae growth inside the reactor.
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Supports pH stability: Can help reduce daily pH fluctuations when operated on a reverse-lighting schedule.
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Oxygen production: Macroalgae photosynthesis contributes to dissolved oxygen in the aquarium system.
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Compact design: Provides an alternative to a larger refugium for suitable aquarium setups.
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Calcium reactor integration: Compatible models can be connected to a calcium reactor using a separately purchased injection assembly.
Technical Specifications
- Brand: Pax Bellum
- Model: ARID Algae Reactor
- Product Type: Illuminated Macroalgae Reactor
- Application: Marine and reef aquariums
- Function: Biological nutrient export using macroalgae
- Recommended Algae: Chaetomorpha
- Filtration Targets: Nitrate and phosphate
- Lighting: Integrated coaxial LED light tube
- Chamber Material: Cast acrylic
- Available Models: N18, N24, C30 and C36
- Installation: External aquarium filtration setup
- Pump: Sold separately
- Macroalgae: Not included
What's Included?
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1 × Pax Bellum ARID Algae Reactor in the selected model
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Integrated LED light tube assembly
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Diffuser discs
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Power supply
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Starter nutrient supplements, depending on the model
Confirm the exact package contents for the selected model before publishing.
Ideal For
Marine aquarium hobbyists and reef keepers looking for a dedicated macroalgae filtration system to help manage nitrate and phosphate levels, support oxygen production and maintain stable aquarium conditions.
Improve your reef filtration setup with the Pax Bellum ARID Algae Reactor, combining controlled lighting and macroalgae growth to support natural nutrient export.
Enquiry Form
Overnight Delivery
Flat Rate Shipping
Premium Fishes
Near 0% DOA Rate
Quarantine
UNPARALLEDED QUARANTINE PROCESS
Our comprehensive quarantine process utilizes a powerful combination of copper, prazi, formalin, and antibiotics to tackle even the most stubborn diseases. This rigorous treatment ensures our fish are free from common ailments like Ich, Velvet, Blackspot, Brooklyenella, Flukes, Tapeworm, Uronema, and Vibrio, which other treatments like TTM and hypo may not cover.
Fish are fed 3x a day and will be transferred to a sterile system with UV for their remaining stay.
Tangs are treated more strictly with quarantine and will hold any fish for longer if symptoms are still displayed.
2 WEEKS
Two weeks is just a minimum, you are welcome to quarantine further if you wish. As most of the work is already done for you, rest assured that the fish received from REEF HAVEN AQUARIUM are very healthy.
PLEASE NOTE: We DO NOT guarantee 100% parasite free fish. We still recommend that you quarantine regardless, but the time taken to do so may be a lot less than usual. If you purchase fish that have not been quarantined, they may still be a carrier for parasites. Parasites can lay dormant in your tank until a new stressed fish is introduced. Corals & inverts may also introduce disease if coming from parasite infested waters. Natural sea water WILL introduce parasites.
ERROR-FREE MEDICATION
Our medication process is handled by a single expert, Hazel, guaranteeing zero room for error. This personalized care ensures our fish receive the precise treatment they need, without the risk of human error that can occur with multiple handlers.
HEALTH STANDARD, NOT EXTRA COST
At REEF HAVEN AQUARIUM, we believe healthy fish should be the norm, not an added expense. That's why we incorporate our quarantine service as a standard health practice for all our fish, at no extra cost to you.
SUSTAINABLE AQUATIC PRACTICES
We're committed to responsible and sustainable aquatic practices, ensuring our operations have a minimal impact on the environment. Our goal is to provide healthy fish, minimal or no death, while promoting a healthy planet.
EXPERIENCE THE REEF HAVEN AQUARIUM DIFFERENCE
Join the thousands of satisfied customers who trust REEF HAVEN AQUARIUM for their aquatic needs. Discover the peace of mind that comes with knowing your fish are healthy, thriving, and free from disease. Visit us today and experience the REEF HAVEN AQUARIUM difference for yourself!
Return Policy
DOA Policy
For fish/coral that arrive dead, please send a picture of it still in the bag UNOPENED. Pictures of dead fish/coral must be sent on the same day of arrival. Once the DOA is confirmed, you will be sent a replacement in your next order.
Replacement can either be the exact same fish/coral or another fish/coral of similar cost.
You may also replace with a fish/coral of lesser or dearer cost but any remaining balance will be sorted (additional payment or refund).
Shipping will still need to be covered
We are unable to do full refunds for DOA
We are also unable to do refunds for change of mind. A Store credit will be issued
Shipping Policy
Orders are shipped out Monday-Wednesday only. Airport delivery may be shipped on Monday-Thursday.
We DO NOT use Startrack
Our couriers are very reliable and there have not been any issues.
We pack our orders with enough insulation to last up to 2 days.
Shipping is calculated at the end of your order. Rural areas will cost more but we will be looking to get cheaper/flat rate prices in the future once we become more established.
Please note that shipping rates are only estimated and may change according to the size of fish and final weight of the box. You may be asked to pay the remaining difference.