Then if someone came down with something due to chemicals being wrong they take on the liabilty for that.

They have dogs so they claim that they don’t want the chemicals.

So here goes:Taking into account the basic function of a car wash, manned or un-manned, you have a considerable amount of moving parts and tremendous amounts of water and chemical treatments.

my recommendation would be porcelain wood-look tile with chemical grout (Never seal, no stain) in the whole house.

It said that because of historically disproportionate arrest and prosecution of people of color on drug crimes, with harsher mandatory sentences, relying SOLELY on criminal history as a disqualification for housing violated the Fair Housing laws.  

People are afraid of what they don't know, in some areas people don't want city water because it comes with the city price tag and chemical taste/smell, in other they're afraid of what is in the water and what could go wrong because they're used to the city water.

Search past threads on this, some mention a chemical, TDP.Also have all the vents mechanically cleaned/brushed.Ozone generator in there for a couple of days post cleanup.

So, I didn't have to take any major steps to remedy the issue, but I am interested to hear others' tips.My real estate agent said that there is some chemical that you can put on the walls and literally watch the nicotine run out of the walls (don't recall the name).

So we try and work with renters like that and try to help them out to avoid the harsher penalties the lease calls for where we can.

It dumps forever chemicals into the water, rats chew on them, and I find it difficult to believe that PEX will last more than 25 years.