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The Nerdy Fish Girl
Fish and Pet Care Guides
Recent Posts


Room Temperature Is Not Warm Enough for Tropical Fish: 7 Reasons Why
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.


Why Is My Fish Tank Cloudy? 5 Causes and the Real Fix
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.


Why Won’t My Betta Fish Eat? 7 Reasons and the Fix That Actually Works
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


Betta Fish Laying at the Bottom of the Tank? 7 Reasons and What to Do
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


Goldfish Care Guide: The Truth About Goldfish Care
Goldfish are easily one of the most mistreated and abused fish in the hobby. These fish are won at carnivals, end up in bowls, and typically wind up living a very short and miserable life. To make matters worse, a comet, an oranda, and a bubble eye might all technically be goldfish, but their setups and care requirements are very, very, very different. So, in today's video, we're going over what actually matters when it comes to keeping your goldfish happy and healthy. But fi


How to Set Up a New Aquarium
Setting up a new aquarium takes a bit of planning, but breaking it down step by step makes the process straightforward. Here is what you need to know to get your tank up and running smoothly. 1. Choosing the Right Tank First things first, you need to pick your tank. Make sure you select a size that is appropriate for the fish you plan to keep. The bigger the fish, the larger the tank you will need to buy. Some tanks come as complete starter kits, which include the tank, filte
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