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Where can you buy silver sand? I'm not aware of that product. In reading about it I've heard a LOT about the dangers of anoxic substrate releasing hydrogen sulfide gas and wiping out everything in the tank. But then I've also realized, and as someone else had pointed out, that nobody had ever...

Well if not other options then should I go play sand? And where might be a good source for a nice cream coloured one? The one my kids have is kind of puke colored...

Almost, unfortunately I hear a lot of comments about playsand that the grain size is too small. As a result it gets blown around, caught in filters, makes a mess, and can easily go anoxic. That's why everyone says pool filter sand is better, which is larger at about 1 mm grain size and therefore...

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...

I happened to find this volcanic black sand, which is presumably composed of black quartz/silica glass. http://www.specialistaggregates.com/san ... p-214.html http://www.specialistaggregates.com/san ... p-215.html They however don't seem to have a medium grade of that, which is what I'd ideally...

Gotcha, so consensus is that their microgravel is appropriately inert, while their other stuff is apparently not. I would have preferred something a little smaller in the 1-2 mm size perhaps, but I guess that might be okay in case I can't obtain anything finer. Maybe I should pick some up and...

Are you serious? Can you explain please? Did you initially have it lose a little dye or is that a continuing thing to the extent that the sand eventually changes colour? And are you talking about an extensive amount of dye rinsing off or just a little? Just a little initially I might be able...

Thanks, I spoke to the Unipac sales rep who said that their black sand is silica sand which has a natural vegetable dye colouring. And their gravel has an epoxy coating as well. He assured that both are fully reacted and inert in any case. Their sand is 0.5-1 mm in size. And they have a micro...

Which colour did that turn out to be? Was it the Granite Black by chance? Is it a very black sand? And do you happen to know what it actually consists of?

I'll try to if I do, but I'm not going to need any for at least a good while still from the look of things.

Thanks! They seem to have some gravel type Estes substrates listed online, so likely they could get the sands through their same distributor as well!

Estes Permacolor Quarz or Ceramquartz is what many aquarists seem to be using instead of the 3M stuff now in the States, but I'm yet to find a source here for that either.

I found this which isn't priced too bad, http://www.harrogateaquatic.co.uk/store ... ductId=212 though at 2-3 mm grain size it seems to be larger than the Dennerle quartz sand - http://dennerle.com/de/index.php?option ... Itemid=120

I found this black volcanic sand, http://www.specialistaggregates.com/mor ... bb80f71e62 which appears to be the desirable grain size, and it's less than £0.33/kg, which is an eight the price of Tahitian Moon Sand, although that price is for buying it in one tonne quantities, which even for a 2...

Thanks, um, He-Man, Manure isn't recommended at all for various reasons, including it being far too labile (will undergo too much change), it will eat up a lot of oxygen while changing, it can release a lot of ammonia, etc. However, if you boil it for 10-15 minutes which is one way of...

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...

The Caribsea Tahitian Moon Sand is still over four times the price that I'd been seeing for 3M Colorquartz, or Spectra Quartz, and I'd seen a few complaints about the Moon Sand as well. And Black Beauty sand which some use is far more inexpensive than that, but I don't really trust it. Pool...

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...

Does anyone sell prepared MTS though?

My black flourite sand didn't seem much more difficult to wash than any other gravel I've had before. I did a quarter bucket a time under the kitchen tap and it was completely clean before long and I didn't even have much cloudiness at all though I wasn't careful about putting the sand or the...

They'll sell you expensive substrates because you'll buy them. I'm switching to MTS from now on and am about to prepare some myself soon. But will boil it instead of going through the lengthy mineralization.