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However, don't take the quality of your tap water for granted. Just because you are able to safely drink the water, does not mean it is suitable for aquarium use. The water can look crystal clear and smell perfectly clean, but it may contain substances which are toxic to your fish.
Contact your local water department to request a water analysis. Though daily results vary, it will help you decide what water conditioner is best for your aquarium.
Tap Water May Contain:
Chlorine: Burns fish gills and kills beneficial bacteria that provide biological filtration.
Chloramine: Chemical compound of chlorine and ammonia, both very harmful to fish. |
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Heavy Metals: Copper, lead, or mercury are toxic to fish and invertebrates.
Herbicides or Pesticides: Both can stress fish, causing illness or death. |
