Small Fish Food – High Protein Brine Shrimp & Spirulina Formula

Penison Small Fish Food – Balanced Nutrition for Vibrant, Healthy Fish

Give your aquarium fish the complete nutrition they deserve with this premium small fish food formula. Enriched with high-quality brine shrimp protein, natural color-enhancing pigments, and spirulina, this balanced food patch supports healthy growth, vivid coloration, and a cleaner tank environment — all in one easy-to-use product.

Key Benefits

• High Protein Source: Brine shrimp delivers rich, high-quality protein ideal for the growth and development of fish. It provides the energy needed for muscle development and overall physical strength, keeping your fish active and thriving.
• Natural Color Enhancer: Packed with natural pigments that deposit into fish scales and skin, this formula makes ornamental fish colors more vivid and brilliant. Expect shinier goldfish scales and more intense tropical fish hues with regular feeding.
• Water Quality Support: Spirulina helps absorb certain harmful substances in the water, contributing to a cleaner, healthier tank environment for your fish to flourish in.
• Mineral-Rich & Balanced Nutrition: Formulated with a blend of essential minerals and nutrients to support immune health, natural vitality, and overall well-being for small fish species.
• Flexible Portions: With 5 output gears ranging from 50g to 1000g, you can precisely control feeding amounts to match your fish population and tank size — reducing waste and overfeeding.

Product Specifications

• Volume: 1000g
• Output Range: 50g – 1000g
• Number of Gears: 5
• Battery Required: No
• High-Concern Chemicals: None
• Made in: Mainland China

Ideal For

• Goldfish, tropical fish, guppies, bettas, and other small ornamental fish
• Freshwater aquariums and fish tanks
• Hobbyists looking for a high-protein, color-boosting daily fish food

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Learn more: U.S. Fish and Wildlife Service

Frequently Asked Questions

Q: What types of fish is this small fish food suitable for?

A: This high-protein brine shrimp and spirulina fish food is ideal for a wide range of small ornamental fish, including goldfish, guppies, bettas, and tropical fish. The balanced nutrition formula supports healthy growth and vibrant coloration across most small freshwater fish species.

Q: How does the spirulina in this fish food help my aquarium?

A: Spirulina is a nutrient-dense microalgae known for its ability to absorb certain harmful substances in the water. When included in fish food, it contributes to a cleaner tank environment while also delivering essential vitamins and minerals that support your fish's immune health and natural vitality.

Q: How much food should I feed my fish per serving?

A: This fish food offers 5 adjustable output gears ranging from 50g to 1000g, allowing you to tailor serving sizes to your tank's fish population. As a general guideline, feed small amounts 1–2 times daily — only as much as your fish can consume within a few minutes — to maintain optimal water quality and fish health.

Q: Does this fish food enhance the color of ornamental fish?

A: Yes! The brine shrimp in this formula contains natural pigments (carotenoids) that are absorbed by fish and deposited into their scales and skin. With regular feeding, you can expect noticeably more vivid and brilliant colors in ornamental fish such as goldfish and tropical fish varieties.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.