2 December 2012, 10:24
(1 December 2012, 16:42)Skean Dhude Wrote: Give it a go to try and sort out the dose to use.
I'm building a sand filter for long term and have severalbought filters, like the army ones, and bleach tablets as well.
Now that sounds interesting, I could do with building something like that myself for long term use. How are you going about this build S.D?