# What are the best aquarium fish food for large tanks? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the best aquarium fish food for large tanks?

## Products

### New Life Spectrum Optimum Flakes Fish Food 3.2-oz
```yaml
product: new-life-spectrum-optimum-flakes-fish-food-3-2-oz
brand: New Life Spectrum
price_gbp: 9.87
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ingredients: Krill, squid, whole wheat flour, fish, garlic, fish oil, seaweed, green algae, kelp, ginger, astaxanthin, spirulina, marigold, bentonite clay, sea salt, vitamins, minerals, tocopherols
sinking_speed: Floating
color_enhancer: Astaxanthin, spirulina, marigold
price_per_unit: 13.34
protein_content: 40% crude protein minimum
fish_size_suitable: Smaller fish
```

- **Price:** £9.87 [^1]
- **Summary:** This nutrient-rich flake food contains 40% minimum crude protein and marine ingredients such as krill and squid. It is designed for smaller, surface-feeding community fish and includes natural color-enhancing ingredients.
- **Ideal For:** It suits large tanks containing smaller surface-feeding community fish because its floating flakes are easy to distribute across a wide surface area and provide 40% minimum protein with marine proteins and color-enhancing ingredients.

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## References & Sources
[^1]: AnimalWiz, accessed 2026-09-05. https://store.animalwiz.com/products/new-life-spectrum-optimum-flakes-fish-food-3-2-oz