Best filters for 3/4/5 gallon aquariums and small Betta fish tanks

How to care for Guppies – best fish for starters' small aquariums?
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An aquarium enthusiast can avail numerous types of fish tanks from the market but not all of them are equally suitable for everyone. So, let’s have a look at the benefits that you will get from one of the 5 gallon fish tanks.While opting for a big aquarium, like that of 10 or 20 gallons to pet fishes, it is troublesome for any first timer to handle all those dedicated work skillfully.That is why it is always recommended to start with a 5 gallon fish tank starter kit in order to fix all your errors and gain enough experience to move on to the next upgrade.The 5 gallon tank set is among the cheap aquarium kits available in the market. This kit has all the required equipment that you may need to set up an aquarium, however, you must buy the available in the market to ensure quality. Those who have a limited space, yet want to have an aquarium, 5 gal tank is definitely the best choice for them.After you have gained enough experience and want to go for a big aquarium, you can easily sell this small one and try for the new tank.A five gallon fish tank is the best-suited gift for any person as it will not eat up space or need extensive care. Other than that, these tanks are budget-friendly and the acrylic made tanks are easy to carry also.The best 5 gallon fish tank set that you can avail from the market at an affordable price is the Fluval Spec V aquarium kit which has the perfect combination of all the required equipment that a starter may need for his fish keeping hobby.Features:
Learn which tankmates to choose for your Betta fish in a small aquarium or community tank environment for the best chance of success.
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The 5 gallon fish tank, Glofish offers, is very popular among the beginners. The tank is made up of clear plastic and acrylic as a primary material, both of which gives the fish tank a lighter weight and longer durability, hence perfect for any novice.Features:Material: This fish tank is mainly made of acrylic and the canopy and some other parts are made of clear plastic. Both acrylic and plastic help in the easy handling of the aquarium and the light-weight provides suitable portability to the owner.Lighting: The 15 blue LED lights are incorporated in the hammerhead light which is perfect for Glofish, as the bodies of the fishes absorb the blue light and reflect in a glowing way. Not only that, the LED light is adjusted in the canopy with low voltage power cord and AC adapter.Filter: The micro filter provided with this kit has the optimal quality bio-bag that filters the water and balance the biological products in the water properly. The small sized filter cartridges are also quick and easy to change.Easy Feeding: The clear plastic made canopy with fluorescent color has the adequate feeding hole that helps any beginner to feed the fishes effortlessly.Pros:Con: Appropriate for Glofish only.Last Verdict: If you are looking for 5 gallon fish tank for sale then you can easily avail this product from Amazon which is the best place to buy fish tanks online, and that too at cheaper rates. Not only this kit is perfect for the starters but also it will fit in your budget incredibly. Mar 18, 2017 - Learn which tankmates to choose for your Betta fish in a small aquarium or community tank environment for the best chance of success.
Photo provided by FlickrMaintaining a 10 gallon aquarium is hard but if you do decide to start a 10 gallon aquarium, then you should know the best fish for your small tank.
Photo provided by FlickrBest fish for small aquariums
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20-gallon (76 litre) tanks

Tanks this size are ideal starting points for anyone entering the hobby. In the United States 20-gallon tanks are available in “tall” and “long” varieties. The tall tanks measure roughly 24 inches in length and 17 inches in depth; the long tanks are 30 inches in length and 13 inches in depth. All else being equal, the long tank is better. Long tanks offer more swimming space and have a greater surface area to volume ratio, meaning oxygen diffuses into the tank at a faster rate. You can keep more fish, more happily, in a long tank than a tall tank.
Do tall 20-gallon tanks have any advantages? Not many. They are perhaps a bit easier to decorate with tall plants and rocks, and having a smaller footprint they take up less space on a tabletop or shelf. Greater depth does work better with certain small but tall fish, in particular domesticated angelfish. But beyond that, these tanks are far inferior to long tanks for general fishkeeping and are best avoided by less experienced hobbyists.

Species useful in 10-gallon tanks will do even better in a 20-gallon tank. In the case of things like small tetras, you can keep larger groups. If you have a nicely planted aquarium, consider keeping two dozen neons for example. Otherwise some of the additional species you can sensibly keep in a 20-gallon tank include the following:The first question when choosing any fish should always be what size tank you are trying to stock. We recommend the largest tank your space and budget allows, a 55 or 75 gallon aquarium would be arguably the best size aquarium for a beginner, but we know that most beginners choose to go smaller. This list is largely based off of a very common scenario: a new fishkeeper who is starting up a small tank (20 gallons or less) and who wants a community of fish that can live together. Also, when choosing what tank to buy, make sure you are prepared to confront the challenges that small tanks create and