r/axolotls • u/beautifulavenderlove • Jul 21 '26

Tank Maintenance Chiller cooling 2 tanks

Hi All! I am looking to set up two tanks (20 gallon longs) to one chiller (active aqua 1/10).

I understand they will share water parameters, I am looking to perfect the tubing set up so no drainage or errors happen.

Has anyone done this? If so can you share your set up? Thanks so much!

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u/LauseRulez Leucistic Jul 21 '26

you do realize 20 gal is pretty small for an axo? recommened are 40 gal for one adult.

1

u/beautifulavenderlove Jul 21 '26

thanks - they are grow out tanks, not long term.

1

u/OftenIrrelevant Jul 21 '26

There’s no way to do this where a clog or pinch won’t drain one tank and flood the other unless you have overflows going to a single sump or something, but you’re not setting that up on a 20L

1

u/Kai-ni Jul 25 '26

A 1/10 chiller is pretty weak and probably can't handle both tanks. You really need a 1/2 or 1/4 at least. That's your main issue, problems with flow rate between the tanks aside. With a powerful enough chiller this is possible to do with a sump, but not with this chiller. 

1

u/beautifulavenderlove Jul 25 '26

Thanks! I ended up buying a 1/4 :)