They’ve just started selling the black bags separately over here Freddie, and I purchased about 6 because I get fed up of emptying and refilling them. It’s such a chore! LolRich,
Those Red Sea bags are really great!!
Perfect water flow thru...
So after about 2-3 uses I just get a new one or whenever I can’t be bothered to empty it depending on how tight I tied the knot in the string. I should really just wrap it around a few times but....