What is the best product to use for eliminating urine smell in stalls? Right now we are bringing my mare in nightly, preparing her for foaling. She is peeing more and more frequently, and it is HOT and MUGGY season here so naturally, the stall is starting to stink. We have rubber mats in the stall. I know there is lime available, but I am looking for something that is FOAL SAFE...is lime dust foal safe? Or what product works best for putting under the shavings and that is safe in case the foal tries to eat it?