Hi everyone.I was called to a job where a customers dog had urinated on a light cream wool carpet.He has tried to remove it by scrubbing it so hard that he,s messed up the pile .Hes used 1001 stain remover on it ,then he has used a steamer on it. i ve used prochem urine neatralizer' its still yellow,ive tried coffee stain remover and red rx ,ive then extracted with double clean .The stain wont budge,its still yellow.What else can i do .iS dyeing or repair also an option.steve .