Aquaforest AF Air Scrubber 2.3L
Efficient CO₂ Reduction for pH Stability in Reef Aquariums
The Aquaforest AF Air Scrubber 2.3L is a powerful and effective solution to raise and stabilize pH levels in marine aquariums. Designed to combat CO₂ accumulation, especially in poorly ventilated environments, this air scrubber helps create ideal conditions for coral growth and health by minimizing daily pH swings and supporting a stable dKH.
Features & Benefits
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Reduces CO₂ concentration drawn into the skimmer
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Raises and stabilizes pH (typically by ~0.2–0.4)
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Minimizes night-time pH drops for better reef stability
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Innovative 3-sponge humidification base enhances media efficiency
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Top-to-bottom airflow ensures even media usage and easy monitoring
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Quick-access twist cap for simple refills and maintenance
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Premium acrylic construction for durability and aesthetics
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Compatible with standard 10mm (⅜") skimmer hose connections
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Prevents sudden changes in alkalinity (dKH)
How It Works
By channeling air through a moist sponge layer and into the CO₂-absorbing media, the AF Air Scrubber effectively removes CO₂ from incoming air. This reduces acidification of your aquarium water, resulting in better coral calcification, coloration, and vitality.
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Color-changing media indicates usage progress
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Clear acrylic body allows easy monitoring
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Replace media before full color change for best performance
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For best results, pair with AF Air Scrubber Media (sold separately)
Product Details
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Capacity: 2.3L
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Height: 35.5 cm + 3.5 cm (connectors)
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Width: 15.5 cm
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Material: White and transparent acrylic
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Hose Connection: 10 mm (⅜”)
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Note: CO₂ absorbing media cartridge is not included.
Best Practice & Tips
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Keep base sponges moist with RO water to extend media life
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Measure pH at the same time daily for consistency
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Replace media promptly—expired media may change color again but loses effectiveness
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Wear gloves and ensure ventilation when handling used media
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Can be used with carbon inside the reactor for added benefits
