Upon arrival customer explained that when they bought the home it already had a RO system installed and it did fine and after about 4 years it started to smell bad so he changed the filters and it did fine for about a week and started smelling bad again so he shut it off and hasn’t Used it in 3 to 4 years and is getting ready to sell the home so wanted addressed talked with Adam and We determined that there is a bacteria causing the issue I explained it to customer and made him that the well need to be tested then treated before doing anything with RO system because issues would just come back