Is 500Ada on a per stakepool on or a per node basis?

Staking & Delegation Operate a Stake Pool
1

About to add another node but not before I sort out this fee question.

Cheers

2

the registration cost (500 ADA) is the registration per pool not for nodes from the same pool

if you have on pool with x nodes and you will want to add another node you don’t must to pay 500 ADA

3

Thank you!