Thanks everyone for the inputs, I will do some searching and then get back to you. I had looked on the internet and debated, I hadn't made the yellow pages yet, but it was on my list. I will do some looking,just curious what everyone did. Kathy On Tue, 29 Jan 2002, Walburger, David wrote: > Kathy, > > Have you tried the swimming pool supply places? They often supply calcium > salts in bulk to reduce leaching of the concrete. Anything sold now a days, > that comes into long-term contact with people is usually pure enough to eat. > > Dave > > -----Original Message----- > From: Kathy Olson [mailto:kathy@thekrib.com] > Sent: Monday, January 28, 2002 6:30 PM > To: gsas-member@pulcher.thekrib.com; gsas-board@pulcher.thekrib.com > Subject: Calcium Carbonate > > > > Hi, > > I know in the past we have gotten our Calcium carbonate for our African > Rift Lake Cichlids from All World Scientific. Has anyone discovered > another source to find calcium/mag to harden water?? I know we have the > stuff at the fish stores, but I wanted something cheaper than that!! > > Kathy >