no, supposedly the benzalkonium chloride in the visine(preservative) blocks the test and is undetectable, never heard of anybody here trying that, though.
darkside Reviewed by darkside on . Household urine additives-which ones work? Getting dt'd this week and was curious as to which additives work. ive heard of using bleach or visine. do these work? i smoked 2 bowls a day all last week. Rating: 5