If you’re a homeowner, then you know that there is always something to be repaired in your home. Often times, you might run into problems that you know require repairs, but you’re unsure of the cause. If you’ve noticed the drain in your sink making a gurgling sound, there’s clearly a problem, but you might not know how to fix it. We’ve put together an explanation of the causes of a gurgling sink and what you can do about it.