----- Original Message ----- From: Susan To: ridecamp@xxxxxxxxxxxxx Sent: Tuesday, April 22, 2003 1:14 PM Subject: Re: [RC] Maalox Question >What is Pro-CMC?? Thanks! It's a calcium/magnesium supplement for horses. It's manufactured by Absorbine and is available at most tack shops. It's expensive, $25-30 per quart. SusanB