I finally found pool filter sand, here's the characteristics according to the manufacturer (and translated to english as good as I could)
= 2,65 kg/dm3
Now I am rinsing and rinsing, for how long??
I also put a magnet over it and nothing got stuck, I guess thats good right?
Apparently this sand comes from the coasts of the rivers in the mesopotamian region
Anyway, I hope my axies like it
organic material < 250
silica sand > 98 %
I have no idea whats this< 2 %
Iron < 0,1 %
Manganese < 0,1 %
Hardnes in Mohs scale > = 7
Specific weight= 2,65 kg/dm3
it doesn't contain mica
Now I am rinsing and rinsing, for how long??
I also put a magnet over it and nothing got stuck, I guess thats good right?
Apparently this sand comes from the coasts of the rivers in the mesopotamian region
Anyway, I hope my axies like it