jetajockey
come get me tang police!
I've used a lot of 3m colorquartz which I think is similar to spectraquartz, but either way it did have to be rinsed a bit to get the dust and particles out of it. Nothing like rinsing playsand though.
PFS is usually pretty easy to rinse also because it tends to have a more uniform grain size.
PFS is usually pretty easy to rinse also because it tends to have a more uniform grain size.