https://rubyrovers.com/pellet-size/stage-3/https://rubyrovers.com/pellet-size/small-0-5-0-75mm/https://rubyrovers.com/pellet-size/regular-1mm-1-5mm/https://rubyrovers.com/pellet-size/medium-2mm-2-5mm/https://rubyrovers.com/pellet-size/large-3mm-3-5mm/