Tonic Salt is a must-have for any freshwater fishkeeper, helping support fish health, slime coat protection, osmoregulation and stress reduction. Widely used in tropical, coldwater and goldfish systems, tonic salt is a reliable all-round treatment that helps fish recover faster and boosts overall resilience.
Great for assisting with mild disease prevention and supporting fish during transport or after large water changes. Safe when used as directed and suitable for most freshwater species (avoid with scaleless fish unless dosing lightly).
Perfect for general tonic use, quarantine tanks, and routine fish health care.
Key Benefits
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✔️ Helps reduce stress and support a healthy slime coat
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✔️ Improves osmoregulation & gill function
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✔️ Useful for quarantine tanks, transport & recovery
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✔️ Supports overall fish health and resilience
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✔️ Easy to dissolve & safe for most freshwater fish
Directions for Use
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General tonic dose: 1 Tbsp per 20L
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Avoid use with scaleless species (loaches, some catfish) unless using a very light dose
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Not suitable for planted aquariums at high concentrations
