We've all been there. You hop in your shower or bath with luxurious hopes of relaxing in the warm water it provides. Once your in-house oasis is ready, you step into the tub. You reach for your shampoo when you suddenly notice something pink. Or maybe it's green, or even black. No matter the color, it's alarming because you just know the sludge shouldn't be there. So, what is this mysterious intruder? How can you get rid of it? That's where we can help! Here's the breakdown: