Aug 06, 2010· OCAU Forums. Home Forums > Other Topics > Pets & Animals > getting rid of fleas, help needed on where to get diatomaceous earth. Discussion in 'Pets & Animals' started by AussiePokerGod, Aug 3, 2010. ... if it works ok im going to buy a big bag of the stuff and just use it all the time. Last edited by a moderator: Aug 6, 2010.