I have never used a hydrometer
But I use 2 of the swing arm and a refractometer and they all read the same. Give or take a 1/2 point.
When there grab a swing arm they are cheap and you can reference with it.
It will confuse you even more haha.
That's why I have 3 methods
But I use 2 of the swing arm and a refractometer and they all read the same. Give or take a 1/2 point.
When there grab a swing arm they are cheap and you can reference with it.
It will confuse you even more haha.
That's why I have 3 methods