I'm making a presumption here but if you meant 300mg, this is just under a third of a gram, 300mg should have a street value starting from £10 right up to £25 in some areas, 300mg is certainly enough for an active dose. More on effects and experiences of this dose can be found online.
3 grams..unless your dealer is awesome and will sell you an 8 ball (3.5 grams) for 175
300ng/ml is 300 micrograms per litre which is the same as 300ppb (parts per billion), or 0.3ppm (parts per million)
How many grams are there in a sixteenth of crack cocaine
Approximately 10 yrs . .
you must be on cocaine it you don't know how to spell cost
Water does not clear cocaine from your system
How much does 0.8 grams of cocaine cost
How much jail time for a kilo of cocaine in Maryland?
The letal dose 50 for a mouse is 96 mg/kg.
Cocaine is free for all gallaghers
Any amount will have you arrested. In the US, possession of any amount of cocaine is a felony.
How many grams are in a 16th of cocaine.
In the UK about £40.