Psi 70 Snaked customers kitchen sink 42’ Pulled back big gob of hair. Tech from previous snaking did not go far enough Ran customers sink and back to back neighbors sink. No back ups at this time. Refered camera. Mark, camera tech came out and could not drop down into line do to its aback to back kitchen Recommended going thru vent stack in attic but customer declined this Voids and warranty’s on kitchen sink drain line Explained this to customer.