Aquaponics, of Pebbles and PelletsOct 15, 2012 . Those pellets once expanded, look amazing like Maltesers. . in a small pot, filled with clay pellets or pebbles, or did you just fill the entire pipe?granule exactly like gravel,Products | Sand, Stone, Gravel, Line, Screenings | Toronto .Granular gravel is a manufactured mixture of sand and crushed rock 1" in diameter and smaller – used for the surface of roadways, parking areas and driveways.
granule exactly like gravel