Chihiros Doctor 5 is a smart, chemical-free aquarium sterilizer designed for freshwater tanks. It uses micro-electrolysis technology—controlled electrical pulses—to produce reactive oxidizing agents, such as hydroxyl radicals, that help control algae, bacteria, and organic pollutants.
- Chemical-Free Algae and Bacteria Control
- Algae Control
- Temperature Monitoring
- Full control via My Chihiros Apps
- Automatic Operation
- Compact with Magnetic Attachment
- Replaceable Reactor Mesh (Recommend replacing the mesh reactor every 6 months.)
Product Specification
Brand : Chihiros
TDS range : below 500 ppm
Water volume support up to
- PLANT [ 1020 Litres ]
- FISHES [ 874 Litres ]
- SHRIMP [ 1220 Litres ]
Power supply : 100-240V , 15W, 1A
Cable Length : ~140cm
Plug : UK 3 pins plug
How to clean reactor ?
- Put 20g citric acid + 100ml purified Water. Put the reactor completely into water and steep for 2 hours.
- Scrub with soft sponge
Warranty Details
- Controller warranty covers up to 1 year against manufacturing defects.
- Power adapter and reactor/diffuser warranty cover up to 3 months against manufacturing defects.
- Warranty void for water damage on any device.
- Spare parts such as adapters are available to purchase upon request after the warranty period ends.
- We do not cover warranty for Chihiros products that are not purchased from us.
- Faulty products will need to be returned to us to inspect before claiming a warranty. Repair works will be performed which take times around 3-14 days or longer depends on the situation. Both postage charges cover by the buyer.
Remarks: Functional tests will be run on this product before delivery, hence the seal of the product’s packaging will be opened.

















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