The things that seem to work on surfaces are sodium hyperchlorite (bleach) min 0.5% solution (1:10 mix of most household bleaches which are 5% solutions) [[https://www.thesun.co.uk/fabulous/11112200/coronavirus-beat-using-bleach-cheap-tesco
Also and hydrogen peroxide min 3 % solution [https://www.consumerreports.org/cleaning/common-household-products-that-can-destroy-novel-coronavirus/]]
Also alcohol based cleaning products min 70% alchohol
Other disinfectants are not as effective
Milton tablets are bleach but you need to dissolve a tablet in a litre not in 5 litres like the instructions say (which is usually for baby bottles) www.checkout.ie/a-brands/milton-88522