Hi,

I'm a newbie on distilling. I bought a reflux still column from brewhaus. I'm using a digiboil with two elements 500w and 1900w. I let my 500w always on and i'm controlling the power of my 1900w with a pwm and ssr to adjust the power. I use about 5 inches of ceramic rasching rigs and two plugs of copper for a total of 15 inches of packing. I have a flow rate of 4gal/min in my condenser and my water is pretty cold. I reach around 65 and begin to collect my product until 78 and then my vapor temperature begin to cycle between 73 to 78. If I continue the variation become higher. Impossible do to a precise cut with that behavior. I red that could be caused by a packing too tight or a constant power issue but quite sure that those parameters are good. What could cause that variation ? Do i need to change the flow rate ? Usually, do we need to setup the power and don't adjust it during distilling ?

I have the same setup as this but my gin basket is at the bottom. I took it in the user manual from brewhaus.

Thanks for your help.

[img=https://brewhaus.com/moonshine-stills/reflux-still/gin-series-moonshine-still-column]reflux still from brewhaus[/img]