Whether or not you should use a calcium or aluminum binder depends on the level of calcium your cat has, so you need a vet's advice in making this choice. If the cat's calcium level is already high, you should not use the calcium binder.
Whether or not you should use a calcium or aluminum binder depends on the level of calcium your cat has, so you need a vet's advice in making this choice. If the cat's calcium level is already high, you should not use the calcium binder.