Same thing happened to me.
In my freshwater cichlid tank it's been nearly a week and has a few more days to go.
(It was going to be an sw
, but I decided at the last moment not to take the plunge. I am also not sure why it should take longer in a fresh water tank but this seems to be the general wisdom.
Stupid question, but where do all the suspended particulates go? Are they collected in the mechanical filter, therebye clogging it, or do they settle? And if they settle, won't they cloud the water again at the first stirring?