When I was a kid, I owned two goldfish that eventually outgrew the size of their tank. At the time, I didn’t realize just how much actually goes into having fish and keeping them healthy. I’ve learned ...

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When you buy through our links, Business Insider may earn an affiliate commission. Learn more Fish tanks are living ecosystems that are beautiful to look at and rewarding to maintain. The hobby can be ...

A clean fish tank looks great and provides a nice home for your fish. Over time, chemicals like nitrates can build up in your fish tank, which leads to a cloudy appearance. Even if you use a fish tank ...

Kelly Anne has over six years of experience with reporting and editing in the personal finance space. Her work has been featured in national publications including Reader's Digest, CNBC and Forbes.

Last year, while standing in the middle of the marine life aisle at our local pet store, my children pleaded for a fish tank. “They’re easier to take care of than a dog,” they wailed. “We’ll feed them ...