Ideally, you change 10–20% of water every day, clean the water filtration system every two weeks. read more
Every month or two, place the axolotls in a different tank and completely clean the tank with alcohol or vinegar. I guess soapy products works as well but you have to rinse really well in that case. The more you do the daily water changing and weekly filtration system cleaning, the less you have to clean the tank completely. read more
Separate young and old axolotls. If your axolotls breed, remove the babies from the tank using a net and place them in a separate aquarium. Older axolotls may prey on younger ones, so it's not safe to keep axolotls of different ages in a tank together. read more