A refugee from The Other Place when Spez decided to sell out. Be gentle with me, I’m middle aged and trying to get my head around new tech.
I’m having exactly the same issue trying to login - I’m guessing that as it’s hosted on OP’s own instance, our instances are not yet federated with his. Not really sure how to remedy that.
Edit: Managed to subscribe with the usual workaround - searched the community list for aquariums, not there. Searched again with [email protected], still not there. Waited a minute, searched again for ‘aquariums’ and it was there and let me subscribe.
Only sensible course of action now, surely, is to remove all NSFW tags / content warnings and post the most appalling porn and gore they can find, obviously with misleadingly tame titles.