Posted: Sun Dec 04, 2005 9:15 am terra cotta
i have read that you should not use certain rocks because they can change the hardness/ph of the water. does anyone know if terra cotta is o.k.?
Our Family: Bo-chocolate lab, Trigger-beagle/chihuaha, Trouble-cat, Diddlina-mouse(now deceased, natural causes

), Lucky-mouse, Pete-RES, and a tank of tropicals