hi all,
i bought an aquaone tank setup a couple of months ago and it came with the aquaone cf1000 external filter including media. it came with two sponges: one blue and one black.
my question is: does all black sponges mean it has carbon media on it?
sorry for the not so intelligent question.
iJay
i bought an aquaone tank setup a couple of months ago and it came with the aquaone cf1000 external filter including media. it came with two sponges: one blue and one black.
my question is: does all black sponges mean it has carbon media on it?
sorry for the not so intelligent question.

iJay