is it possible to find out if weed contains THC?

like if u had some plants that u think are marijuana but arent sure..just some way to test.....because i have some..and either it isnt marijuana.....or it is extremely low in THC
Gunner420 Reviewed by Gunner420 on . Testing weed for THC is it possible to find out if weed contains THC? like if u had some plants that u think are marijuana but arent sure..just some way to test.....because i have some..and either it isnt marijuana.....or it is extremely low in THC Rating: 5