Search results for query: *

I'm trying to find a decent medium size/pool filter size quartz/silica sand which is a cream colour/nice light tan colour. I've seen pure white sand, but that seems a little much, and the other sand I've seen a bit too dark or are not inert and would raise the PH. Does anyone know where to...

Does Alfagrog have an appropriate porosity for growing decent amounts of anaerobic bacteria, in order to remove nitrates? (Just as live rock does in reef aquariums, or media such as Seachem Matrix do). I'm guessing it perhaps does, but it would be good to have some confirmation of this before...

I'm looking at making up my own underlay soil mix, and am planning on using either worm castings, or a mix of composted manure and mineral garden soil, or possibly all three together. I'd be boiling the mix for 15 minutes (outdoors) once I add the other ingredients so I'm not worried about the...

Is there a UK source for good black sand? I'd like some to use as a cap atop a mineralized top soil base, but I'm having trouble sourcing it here as all the source I found seem to be in the US. All I've found is products such as Flourite Black Sand which is decent and which I use in a tank...