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Why are fish important to the sustainability of your hydroponic system?

User Cat Pants
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2 Answers

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Fish are important because they eat algae and keep the body of water clean by eating things even if it means dying
User Moses Xu
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Answer: They live in the water and if there is toxic things in the water, the fish may die or eat it then die.

Step-by-step explanation:

User Mahmoud Elgohary
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