In the distilling industry, there are many myths which have persisted over many years. One of these myths is the belief that you should boil your mash at a certain temperature to “boil off” the alcohol before the water starts boiling - and everyone who starts distilling knows this!
Quite often we get asked for hydrometers that can measure the SG (Secific Gravity) of liquids that is lighter than oil. Many of these requests concern the SG measurement of oils and other light petroleum products.
A riveted copper pot is beautiful to look at and will give you many years of enjoyable distilling hours. However, as copper contracts and expands quite a lot with temperature changes it sometimes (but seldom) may cause leaking around seams and copper riveted joins that have not been soldered.
A distilling parrot is used to read the %alcohol of you distillate continuously while distilling. The distillate flows into the parrot from the bottom, fills the 20mm pipe and overflows at the top of the 20mm pipe into the 54 to 20mm reducer and from their out again through the other 8mm pipe.