After all, you don't want to compromise the integrity of the wood, but it can be tricky to disinfect without stronger solutions ... bleach) to protect the planks from harm. For example, the Clorox ...

For cleaning a concrete patio, Clorox recommends mixing 1/3 cup of its Disinfecting Bleach per gallon of water in a plastic bucket. Dip a push broom into the solution, then scrub the patio.