Top critical review
More red than grey, but hey.... who cares! :)
on 29 July 2014
Not bad at all.... although FAR heavier than I expected, almost weighs as much as iron slag from a furnace.
I was hoping more of a pumice type weight, but that is my hope and misconception, not a product fault.
I bought three boxes and in physical volume that equates to near enough 10 litres. ( for the 3x3kg boxes I bought )
Mine is mostly dark brown/red ( if that matters at all )
Funnily, I bought mine to put in a fish tank as decoration and to use as a bio filter media.
I had hoped it would be as light as pumice and therefore have a greater physical volume per kilogram, I have 4x 100 litre filter barrels to fill so I guess I'd better find actual pumice, or buy more of this stuff and strengthen the filter barrels stands!
Overall, quite happy with my purchase.