Description
Sera Immune Probiotic Granules
Sera Immune Probiotic Granules are an advanced growth and immune-supporting food developed for ornamental fish above 5 cm (1.9 in). These slow-sinking granules combine more than 50% high-quality protein with scientifically supported probiotic bacteria to stabilise intestinal flora, optimise food utilisation and support long-term fish health.
As part of the Sera Nature range, Immune Probiotic Granules are produced without dyes or preservatives and reflect modern, functional nutrition designed for strong growth, brilliant coloration and reduced water pollution.
Growth and immune food for ornamental fish
Immune Probiotic Granules are formulated as a complete growth food for ornamental fish larger than 5 cm. The slow-sinking granules suit fish feeding throughout the water column and encourage calm, natural feeding behaviour.
With probiotic bacteria for gut health
The probiotics are applied to the food using a particularly gentle process to ensure effectiveness. These beneficial bacteria stabilise the intestinal flora and improve digestion.
Sera was the first to introduce a probiotic ornamental fish food in 2018, featuring Bacillus velezensis (formerly Bacillus subtilis). This probiotic strain is expressly recommended by the EFSA (European Food Safety Authority) for use in ornamental fish food to improve growth and food utilisation.
High protein content for strong development
With more than 50% protein, the granules supply essential amino acids required for muscle development, tissue repair and overall vitality. This makes the food especially effective during growth phases.
Supports colour and vitality
Functional ingredients such as MOS and Haematococcus algae, rich in natural astaxanthin, support brilliant coloration and overall vitality without artificial colour enhancers.
Reduces water pollution
Improved food utilisation means less waste is excreted. As a result, water pollution caused by metabolic waste products is considerably reduced.
The granules retain their shape and do not cloud the water, supporting stable aquarium conditions.
Ideal for breeding ornamental fish
Due to its growth-promoting and immune-supporting properties, Immune Probiotic Granules are ideally suited for breeding ornamental fish. Stronger, healthier fish are more resilient and become ill far less frequently.
Innovative food types from Sera
Sera special foods are designed with very specific functions in mind. Immune Probiotic Granules and Immune Probiotic Granules Mini are suitable for almost all ornamental fish and combine probiotics, high protein levels and functional ingredients.
All Sera Nature foods are free from dyes and preservatives and focus on practical, science-backed nutrition.
Who this food is best for
- Ornamental fish above 5 cm
- Fish requiring growth and immune support
- Breeding and juvenile development stages
- Aquarists seeking reduced water pollution
Product suitability
- Fish type: Ornamental fish above 5 cm
- Format: Slow-sinking granules
- Main benefit: Growth, immunity and colour
- Best for: Regular feeding and breeding support
Keyword groups by search intent
Commercial intent (compare and choose)
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Transactional intent (ready to buy)
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Informational intent (learn and understand)
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Research-driven outline
- Fish gut health – stabilising intestinal flora
- Probiotic technology – Bacillus velezensis
- Growth support – high protein nutrition
- Colour enhancement – astaxanthin-rich ingredients
- Water quality – improved food utilisation
