Naufil wrote: a ref. pic from google.
[ Image ]
I haven't bought any yet. Posted here to know if they are safe or not.
But yeah as Rajiv-ji said they are in-fact Lava Rocks.
Naufil wrote:no they don't, how can they? I mean is that even possible. Can a rock catch fire?
flammable rocks? we won't need gas anymore
I was surprised too. see my smiley!
Romi wrote:In that sense..... When a meteorite enters the atmosphere, it catches fire too. heard of shooting stars, buddy? they burn very brightly indeed.
Romi wrote:In light of Scorpio's comment, I guess these porous rocks are kept in the tandoor buffer the coal or charcoal and spread the heat over the tandoor or oven more evenly. .. if we could get a close up of these, we might be able to decide if these are indeed suitable for putting in aquascapes.
Naufil wrote:I will post some pics as soon as I get my hand-s on those damn rocks