up vote 0 down vote accepted. I discovered that the chimney/pipe/whatever you want to call it is not held together by anything. I simply pushed the wood stove out of the way and then the pipe came loose. I bought a cap from Lowes and capped it off.
In hair tests, the marijuana detection time can range from three months up to three years from the last time that you used a drug. Most labs will only look at the last 90 days. Hair grows on average half an inch per month, so 1.5 inches of hair corresponds to about 90 days.
On a Saliva Drug Test, THC will test positive within one hour of use, but may only show positive for about 12 hours after last use. On a Hair Drug Test, THC will show up about 7 days after use and most hair drug tests will test for a 90 day period.However, THC does not always bind to the hair follicle which makes it not always considered an accurate testing method for marijuana use.n a Saliva Drug Test, THC will test positive within one hour of use, but may only show positive for about 12 hours after last use. On a Hair Drug Test, THC will show up about 7 days after use and most hair drug tests will test for a 90 day period.