For painted walls and ceilings, try a solution
of 1
gallon of warm water, 1/2 cup plain ammonia, 1/4 cup white vinegar, and 1/4 cup washing soda (which can be found in the laundry additives area
of supermarkets).
When the blood had finally stopped draining, Ralph filled a plastic washbasin with
warm soapy
water from a jug and scrubbed his hands carefully, leisurely, precisely, pausing even to clean the soap from beneath his fingernails with a smaller pocketknife — and when he was done, Bruce poured a
gallon jug
of clean
water over Ralph's hands and wrists to rinse the soap away, and then Ralph dried his hands and arms with a clean towel and emptied out the old bloody wash
water, then filled it anew, and it was time
for Bruce to do the same.