Here in Japan we mostly use crushed garnet stone.
It has the same size as grains of sand, but is very very heavy. Much heavier than sand, and doesn't clog your filters.
Also, it being real Garnet, the red looks great and brings out contrast.
It has the same size as grains of sand, but is very very heavy. Much heavier than sand, and doesn't clog your filters.
Also, it being real Garnet, the red looks great and brings out contrast.