Watch more How to Care for Pet Fish videos: http://www.howcast.com/guides/467-How-to-Care-for-Pet-Fish Subscribe to Howcast's YouTube Channel - http://howc.st/uLaHRS Learn how to clean a fish tank and keep your fish healthy with this video. Howcast uploads the highest quality how-to videos daily! Be sure to check out our playlists for guides that interest you: http://howc.st/ytmainplaylists Subscribe to Howcast's other YouTube Channels: Howcast Health Channel - http://howc.st/HOE3aY Howcast Video Games Channel - http://howc.st/tYKKrk Howcast Tech Channel - http://howc.st/rx9FwR Howcast Food Channel - http://howc.st/umBoJX Howcast Arts & Recreation Channel - http://howc.st/vmB86i Howcast Sports & Fitness Channel - http://howc.st/vKjUjm Howcast Personal Care & Style Channel - http://howc.st/vbbNt3 Howcast empowers people with engaging, useful how-to information wherever, whenever they need to know how. Emphasizing high-quality instructional videos, Howcast brings you experts who provide accurate information in easy-to-follow tutorials on everything from makeup, hairstyling, nail art design, and soccer to parkour, skateboarding, dancing, kissing, and much, much more. Step 1: Use a large plastic cup to remove water from the tank to a large bowl. Scoop fish from the dirty tank and put them in the bowl. Step 2: Turn off the filter on your fish tank. Remove half of the dirty water using a cup, and dump it into a sink. Tip Change about one quarter of the water in the tank every two weeks to keep the algae levels low. Step 3: Clean the inside of the tank with an algae scrubber. Rinse and scrub until the glass is clean. Step 4: Scoop out the rest of the water until you get to the gravel at the bottom of the tank. Tip Replace the gravel only if absolutely necessary. The fish need a stable environment, so some remaining bacteria is good for them. Step 5: Refill the tank with clean water and restart the filter. Let the filter run for about an hour. Step 6: Scoop your fish from the bowl to the tank, and let them enjoy their newly cleaned home. Did You Know? Did you know? Scientists discovered the world's smallest fish in Indonesia. A member of the carp family, it's less than eight millimeters long.
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