Aldi has the Di San Laundry Sanitiser 2L for $6.99 this week, which works out to $3.50 per litre and makes it the cheapest option across the four major supermarkets. Woolies is $4.00 for the same product, but that's almost certainly the 1L size, at 2L, Aldi's price holds up well. Coles comes in at $4.50 and IGA is an eye-watering $18.95, so if you're grabbing a big bottle to get through the school term washing pile, Aldi's your best bet. It kills 99.9% of odour-causing germs and works in both front and top loaders, which is handy if your gym gear's been sitting in the bag a day too long.