By Liam Gilliver If you have kids, or a husband who refuses to put the toilet seat up, you’ll know how nightmarish those stubborn loo stains can be. We know, nobody likes popping on their marigolds and deep cleaning the bog, but sometimes it’s necessary to clear those bad smells and unsightly yellow stains. However, fans of cleaning guru Mrs Hinch say the chore doesn’t have to require hours of tough scrubbing. In fact, it’s possible to get your loo looking brand new again in just five minutes – and you don’t need to splash out (haha, get it?) on fancy cleaning products that will break the bank…