jus keep putting a few flakes in and see how long it takes for them to eat it !
if it takes longer than 2mins to consume then its too much if they eat it quicker than tht again put another pinch in sorry tried to shorten it was in a hurry laptop was dying and didnt have charger at reachjus keep putting a few flakes in and see how long it takes for them to eat it !
How will that help determine how much to feed?