Axolotl Tank – Keep This In Mind..

For someone trying to keep an axolotl in captivity as being a pet it is strongly recommended to use a long aquarium having a minimum of 18 inches in length. A standard 20 gallon aquarium is normally large enough for one adult axolotl.

You don’t want to fill the complete tank with water, you just need enough to pay for the axolotl and enable some room for movement. Typically most enthusiasts fill the tank up about halfway towards the top generally in most tanks, this permits an excellent depth of water for that axolotl, and enough space on top so water will not overflow from the movement in the axolotl.

Under the tank it is suggested you place black plastic of black paper, since the base of the aquarium, it can assist the axolotl to have a more natural and darker tank bottom. Enthusiasts often use polystyrene board wrapped in a black plastic bag to assist with all the color and to spread the weight more evenly.


Filtration is not required for axolotls, provided that you’re willing to regularly change this type of water. If you choose to use a filter there are numerous of possibilities, such as under-gravel, external “hold on” filters, and canister filters, all will work fine for axolotls but are not necessary if you decide to change the majority of the water within the tank weekly.

Axolotls excrete lots of waste, mainly as ammonia (NH3). Through the whole process of nitrification, ammonia is changed into the less harmful substance nitrite (NO2). This method is among the most significant aspects of filtration and is known is biological filtration.

If you intend on utilizing a mechanical filter, we recommend “aging” your tank for around two weeks after filling it up with water and installing the filter, before adding any axolotls. This will assist in the progression of the bacteria on the filter media, and then in preparation for incorporating your axolotl.


Axolotls cannot “grip” the base of a glass tank, and can cause unneeded stress over time, so we recommend you use a substrate including sand or rock.

Standard aquarium gravel is not suitable for use in your axolotl tank as the small pieces can become lodged in your axolotls gut and you can risk injuring or killing your axolotl.

If you do desire to use gravel you must use gravel is at least pea sized, about 1/4? or larger in diameter. Alternatively you can also employ fine sand as it will not cause any blockages inside the axolotl.

A well known gravel found in most axolotl tanks is really a aggregate coated in polymer to avoid it from leeching any chemicals into the water and harming the axolotl. The gravel comes in this way, already coated in polymer, and is available in many styles and sizes.


Axolotls usually do not require any special lighting, standard aquarium fluorescent lighting will work just fine for all axolotl tanks. Until you are keeping live plants, a typical “hood” style aquarium light will work great for your tank.

Axolotls do not require light to live, the light is purely for display purposes. The only requirement will be had you been keeping live plants inside your aquarium, which will require special lighting.

Temperature & Heating

Water in your axolotl tank should be kept between 57-68 degrees, which generally in most homes fails to require any heating or cooling to stay in this temperature.

Temperatures below 57 degrees leads to slower metabolism and a sluggish axolotl. Temperatures above 68 degrees boost the risk for disease, and fluctuations between warm and cool temperatures between nigh and day can even be stressful to your axolotl.

Should you do require heating for your aquarium, standard heaters found in vtqydg aquariums, both under the tank as well as in tank, will work fine for the axolotl tank.


Adding decoration including plastic plants, caves, and rocks provides the axolotl an added sense of security, and it is visually attractive to a persons eye.

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