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Best 20 Gallon Fish Tank
From leading brands and best sellers available on the web.
#2
Tetra
Tetra Aquatic Turtle Deluxe Kit 20 Gallons, aquarium With Filter And Heating Lamps, 30 IN (NV33230)
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#3
GloFish
GloFish 20 Gallon Aquarium Kit with LED Lights, Decor Heater and Filter
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Buying Guide for the Best 20 Gallon Fish Tank
Choosing the right 20-gallon fish tank involves understanding various specifications that can impact the health and happiness of your fish, as well as the ease of maintenance for you. It's important to consider the type of fish you plan to keep, the space you have available, and your level of experience with fishkeeping. By paying attention to key specifications, you can ensure that you select a tank that meets your needs and provides a suitable environment for your aquatic pets.MaterialFish tanks are typically made from either glass or acrylic. Glass tanks are more scratch-resistant and provide a clearer view, but they are heavier and more prone to breaking. Acrylic tanks are lighter and more impact-resistant, making them easier to move and less likely to crack, but they can scratch more easily. If you plan to keep your tank in one place and want a clear view, glass might be the better option. If you need a lighter tank or one that can withstand more impact, consider acrylic.
ShapeFish tanks come in various shapes, including rectangular, bow-front, and hexagonal. Rectangular tanks are the most common and provide the most surface area for gas exchange, which is important for maintaining water quality. Bow-front tanks offer a unique aesthetic and can provide a better viewing experience, but they may be more challenging to clean. Hexagonal tanks are more decorative and can fit into corners, but they offer less surface area for gas exchange. Choose a shape that fits your space and aesthetic preferences while considering the needs of your fish.
Filtration SystemA good filtration system is crucial for maintaining water quality and keeping your fish healthy. There are three main types of filtration: mechanical, biological, and chemical. Mechanical filtration removes debris, biological filtration breaks down harmful waste products, and chemical filtration removes toxins. Some tanks come with built-in filtration systems, while others require you to purchase one separately. Consider the type and number of fish you plan to keep, as well as how much maintenance you're willing to do, when choosing a filtration system.
LightingProper lighting is important for the health of your fish and any live plants you may have in your tank. LED lights are energy-efficient and provide a range of color options, while fluorescent lights are more traditional and can support plant growth. The intensity and duration of light should mimic natural conditions to keep your fish and plants healthy. If you have live plants, you'll need stronger lighting. If your tank is primarily for fish, standard lighting will suffice. Consider an adjustable lighting system to accommodate different needs.
HeaterA heater is essential for maintaining a stable water temperature, especially if you plan to keep tropical fish. Heaters come in different wattages, and the right one for your tank will depend on the size of the tank and the temperature requirements of your fish. A 20-gallon tank typically requires a heater with a wattage of 50-100 watts. Make sure to choose a heater with an adjustable thermostat to maintain the ideal temperature for your specific fish species.
StandA sturdy stand is important to support the weight of a filled 20-gallon tank, which can be quite heavy. Stands come in various materials, including wood, metal, and particleboard. Ensure that the stand is level and can support the weight of the tank, water, substrate, and decorations. Additionally, consider the storage space provided by the stand for keeping fish food, cleaning supplies, and other accessories. Choose a stand that fits your space and complements your home decor while providing adequate support and storage.