Careful on that one. I had some morph hci containing 5/mg a ml. I didn't mainline it but if you're going to try it, take all the necessary precautions and start just above the medical dose recommendation. You should be able to find a chart online somewhere. I think it's 2 to 5mg, but don't quote me! Do lots of homework on it first...once it's in your blood, there's no going back! Also works great with about 15mg "plugged" and roughly the same amount skin popped or intramuscularly. Just keep it clean and be careful!
It all depends on your tolerance!!! A high dose wont do anything to one person and it could kill a diffrent person....