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My first guppies
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30
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Aquarium aeration
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22
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Goldfish feeding
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19
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A Balanced Aquarium – Testing and Analysis
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48
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Goldfish maintenance
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22
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Aquarium lighting
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10
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Aquarium filtration
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15
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My first Siamese fighting fish
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30
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Goldfish habitat
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44
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The most common diseases affecting aquarium fish
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31
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Aquarium heating
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12