Fauna Marin RTN/STN M 500ml – Coral Tissue Health & Microbiome Support
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Fauna Marin RTN/STN M 500ml – Coral Care Treatment
Support Coral Health & Natural Reef Balance
Fauna Marin RTN/STN M is a specialist coral-care formula developed to support the natural microbiome, vitality and stability of corals in marine reef aquariums.
The modernised successor to RTN/STN X, it is designed to promote a balanced aquarium environment and provide gentle care for corals experiencing stress.
Key Features & Benefits
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Supports the coral microbiome – Helps promote natural microbial balance.
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Coral vitality – Developed to support coral health and well-being.
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Aquarium stability – Encourages a balanced reef environment.
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Modernised formula – Updated successor to Fauna Marin RTN/STN X.
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Direct aquarium treatment – No separate dipping container required.
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Reef-compatible – Manufacturer states it is safe for other aquarium inhabitants when used correctly.
Recommended Dosage
15ml per 100 litres of aquarium water daily for 7–10 days.
Treatment may be extended if necessary, following manufacturer guidance.
How to Use
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Calculate your aquarium's actual water volume.
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Measure the required daily dosage.
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Add directly to a high-flow area of the aquarium.
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Remove activated carbon during treatment.
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Protein skimmers, phosphate adsorbers and UV sterilisers may remain operational.
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Continue for the recommended treatment period.
Additional Coral Care
Fauna Marin recommends that BACTO THERAPY may be used alongside RTN/STN M at 3ml per 100 litres daily.
Important Information
For marine aquarium use only. Avoid skin and eye contact and keep out of reach of children.
RTN/STN M supports coral health but is not a guaranteed cure for rapid or slow tissue necrosis. Investigate water quality, temperature, pests and other possible causes of coral tissue loss.
Why Choose Fauna Marin RTN/STN M?
A specialist coral-care treatment for reef keepers seeking to support coral resilience, microbiome balance and overall aquarium stability.
Fauna Marin RTN/STN M – supporting healthier corals and balanced reef aquariums.