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The Ultimate Aquarium Cleaning Quiz
by Staff
Staring at the tranquil blue waters of your aquarium and wondering why you can't see any of your fish? If it's been absolutely ages since you last cleaned the tank, take our quiz and get some aquarium cleaning tips that will make your fish visible and healthy.

How many fish are currently kept as pets in U.S. households?

  • 500, 000
  • 75 million
  • 170 million

Why are fish the most popular pet?

  • They are significantly cheaper to purchase and maintain.
  • They require less maintenance than other pets because they don't need to be fed or bathed.
  • They are safer than cats and dogs, especially around children.

What do bacteria inside a fish tank do?

  • Break down the ammonia in fish waste.
  • Help the micro-organisms that fish live on flourish.
  • Help fish digest their food.

How often should you clean the gravel in your tank?

  • weekly
  • monthly
  • annually

How much water do you need to replace weekly?

  • five to 10 percent
  • 10 to 15 percent
  • 25 to 30 percent

What do you need to do to water before adding it to the fish tank?

  • Boil it.
  • Filter it.
  • Dechlorinate it.

Why do you need to clean the glass of your fish tank?

  • So that sunlight can get in; fish need some sunlight for survival.
  • For aesthetic purposes; so people can actually see the aquarium.
  • To keep algae under control.

What should you use to clean the glass in a fish tank?

  • vinegar
  • Windex or Windowcleen
  • chlorine-free bleach

What is a good way to remove algae from the decorative items in your fish tank?

  • a toothbrush
  • an algae scraper
  • the specialized vacuum cleaner

How often are disposable filters usually changed?

  • weekly
  • fortnightly
  • monthly