Ok, I have found out that on the first website, it costs £35 plus 7.99 so stupid.

So I have bought some carbon filter stuff off of ebay for only £3! so the whole thing is going to cost only £3 to make as I have all of the other materials at home.

Thanks,
minidude2 Reviewed by minidude2 on . Carbon filter, will this do? I have found a mega cheap carbon filter. you have to scroll to the bottom and click the down arrow to get different sizes. £7.99 is pretty cheap though! Are these good enough for a 2 plant LR grow? Can Carbon Filter Rating: 5