Cycling A Tank With Mature Filter Media

[HippoHen]

Just a quick question really...

Can you cycle a tropical fish tank using mature filter media from a coldwater goldfish tank?? Im guessing the answer is no but just thought id ask

 

[KittyKat]

Yes, warm the media up gently and you'll still need to add ammonia to get the bacteria numbers up.

 

[XeroTolerance]

Yes, warm the media up gently and you'll still need to add ammonia to get the bacteria numbers up.

+1

Also make sure it doesn't dry out.