Keep some grazing surfaces and address the light and nutrient balance instead of sterilizing the aquarium.

Read the type and spread

Shrimp graze on biofilm and some soft algae, but not all algae growth is equally useful or easy to manage. Note where it appears and how quickly it expands.

A sudden bloom often has multiple contributing factors, including lighting, nutrients, and plant growth. The algae itself is a clue, not a complete diagnosis.

Make one measured adjustment

Reduce excessive light or remove dense growth manually while preserving established surfaces. Check plant health and avoid using algaecides that may harm invertebrates.

Do not chase a spotless tank. Maintain a stable routine and change one factor at a time so you can see whether the aquarium improves.

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For your own tank

Take a photo before adjusting the lighting or nutrients so you can compare the spread later. Remove only what is easy to reach and avoid disinfecting the aquarium. If algae returns, review plant growth and feeding rather than adding another chemical.

Sources and further reading

Use these as general hobby references. Test your aquarium and confirm product guidance before making changes.