So you're getting into axolotl keeping

The 40-gallon breeder is the axolotl community's consensus pick for a reason: the wide, shallow footprint (36" × 18") gives an adult axolotl room to roam without requiring the height of a standard tank. Aqueon's glass is thick enough for the long term, the seams are solid, and it's widely available. Buy a lid — axolotls occasionally explore upward.

The 20-gallon long is the right starting point if your axolotl is still a juvenile (under 5–6 inches). It's significantly cheaper and lighter, which matters if you're still figuring out where this setup will live. Plan to upgrade to a 40-gallon breeder within 12–18 months as your axolotl grows.

If you plan to keep two axolotls, or you want one well-appointed setup you won't need to upgrade, the 75-gallon is the call. More water volume means more stable temperatures and forgiving water chemistry. The large footprint also lets you do proper planted sections with hides and a dedicated feeding zone.

The most-recommended entry chiller in the axolotl community for tanks up to 40 gallons. Connects inline with your filter return line, holds temperature precisely, and runs quietly. At $150–180 it's not cheap, but it's the item that makes or breaks this hobby — buy it before anything else.

In mild climates (homes that stay under 72°F year-round), a clip-on evaporative fan cooler can drop water temp by 3–5°F — enough to squeak into the safe zone. It's a $30 stopgap, not a solution. If your home hits 75°F+ in summer, this won't be enough; budget for a proper chiller.

For tanks 50–75 gallons, or for anyone in a warm climate running a 40-gallon, the Hailea HC-300A is what serious axolotl keepers upgrade to. More cooling capacity, quieter operation than the entry-tier chillers, and a reputation for lasting 5–8 years with basic maintenance.

Prime is the dechlorinator every serious axolotl keeper uses. It neutralizes chlorine and chloramine like any conditioner, but it also temporarily detoxifies ammonia and nitrite for 24–48 hours — which is a genuine lifesaver during cycling or emergency water changes. A 500 mL bottle treats 5,000 gallons and lasts most keepers a year.

Liquid test kits are the only way to get accurate readings on ammonia, nitrite, nitrate, and pH. The API Master Kit tests all four and includes enough reagent for 800 tests. This kit will be your most-used tool in the first three months while your tank cycles — buy it before your axolotl.

Beneficial bacteria in a bottle. Not a substitute for a proper 4-6 week nitrogen cycle, but an extremely useful accelerant — especially if you're doing a fish-in cycle or need to establish a new tank quickly. Dose daily for 7 days during startup, then weekly for maintenance.

A high-protein sinking pellet that axolotls take readily. The small-diameter sinking format is right for most adult axolotls, and the black soldier fly larvae base provides more protein than fish-meal pellets. Use as a daily staple and supplement with live or frozen worms 3–4 times a week.

Frozen bloodworms are the best supplement to axolotl pellets — high protein, irresistible to axolotls, and the flat-frozen cube format makes portion control easy. Thaw a cube in tank water before feeding. Use 2–3 times a week to round out the pellet diet and keep your axolotl engaged with feeding.

Live nightcrawlers are the gold standard axolotl food — they trigger the feeding response instantly and are nutritionally complete. Cut them to size for juveniles; adults take a 2–3 inch piece with no trouble. Order from a worm farm (bait-shop worms may carry parasites) and keep them in the fridge for up to two weeks.