Angel Keeper

About 60, if I remember correctly... But it doesn't look that nice when matured... Also, don't bother pellet training it... And your choice of other fishes is seriously diminished. It's fins are the favourites of fin nippers...

You can try looking at Prizm as well... Previously I've used that and it skims quite well on my 3 feet tank...

I had that experience before... Just switch off all your equipment and switch it on one by one... Once you feel the current, isolate that equipment but continue testing the other equipment as well. This is due to the possibility that more than one equipment is leaking.

You might want to ask Kelvin from TFC...

You might want to try washing it in white vinegar? It removes almost everything dirty and some have claimed their equipment became like brand new.

*nitrifying, I mean.

My understanding is that all bacteria is killed through uv if running at level 1 sterilisation. However, most mirroring bacteria should be in your substrate or matrix if you're using it?