ONE Sis the original and best drain cleaner available in the UK.ONE Shas been sold throughout the UK for over years. Tried, tested and trusted, the ONE S.nd of drain cleaner has been used by generations of people to save money and keep their drains flowing..We can all agree that a drain cleaner. needs to work quickly and easily no matter what you are trying to unclog This was our main testing criteria for selecting the best drain cleaner..Everything you need to now about drain cleaners best drain cleaner reviews, advice, cleaning guides and DIY tips..The KOHLER oz. Cast Iron Cleaner is designed to remove marks left behind by dishes, cookware and other utensils. The cleaner comes in a cream form and should be applied with a soft, dampened sponge or cloth for best results..