The starter kit makes it look simple, but the box cannot teach you the biology. Tank size, cycling, tap water, evaporation, live plants, maintenance, and algae: what to know before your first fish ever goes in the water.

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If the room feels comfortable to you, the water must be fine, right? Wrong. 7 reasons room temperature is a lie for tropical fish tanks, and the $2 fix that ends the guessing.

You’ve changed the water, cleaned the filter, and the tank is still cloudy. The culprit is usually good intentions. The 5 suspects behind cloudy aquarium water, and how to clear it for good.

You just bought a beautiful new betta fish. You drop a pellet into the water and nothing. The fish looks at it, spits it out, and swims away. If your betta is refusing to eat, you're probably panicking, assuming they're sick or about to die. But in 90% of cases, your fish isn't dying at all. They are just the victim of a hidden aquarium crime scene. And we have seven prime suspects to investigate. And the most common culprit is something you can't even see. The thermometer co

If your betta fish is just laying at the bottom of the tank all day, usually something's wrong. Healthy bettas swim around, explore, and only rest for short periods of time. When they're stuck on the bottom, that can be a huge red flag. So, today I'm going over the seven most common reasons this can happen and what you can do about it. Your tank is too cold. Bettas are tropical fish and need stable, warm water. So, if the temperature drops below 74°F, your fish's metabolism s