[header] How to care for an axolotl [title] Set up the tank. [step] A 10-gallon (38 liter) tank can work for a single axolotl. However, bigger is generally better when it comes to an axolotl. 
Opt for the biggest tank you can fit into your home. A 20-gallon (76 liter) tank is a good size for an axolotl.