you shouldnt need to mix anything with it...when you buy the fix, it comes with a heating pad and temp strip. As long as you heat it with the heating pad and/or keep it in an enclosed area you would be ok. I would not trust mixing your own urine in case it is dirty....
oLiLlY Reviewed by oLiLlY on . Quick Fix 4.0 Question Can you mix Quick Fix 4.0 with your own piss so it can at the temp it needs 2 be?? Rating: 5