maybe it isnt freebase... its probably the salt, which would explain why it doesnt smell funny, and basically has no smell at all.... If it were freebase it would smell funny.
if it is the salts, well typically around 20mg at a time... thats what adderal is... and the max theraputic dose for that is 20mg 3 times a day.. maybe its up to 30mg 3x a day. But you dont want to do that right out of the gate..... Recreationally, i mean thats up to you i suppose. i used to take like 60mg at first then 40mg at a time after that as needed... thats just me idk what others did. I didnt do that everyday though and im familiar with its effects.. anyway.... if i were you, i would dissolve one gram in 1000ml or a liter of water. At this ratio if you consume 20 milliliters you consume 20 mg, no matter what salt it is. And id start with drinking 10 ml at a time and see what that does for you. maybe even 5ml. With this dilution you can really make sure you have control of how much youre taking. you basically bought 5000 20mg doses... basically 4.5 years worth at 60mg a day