I would suggest just tossing a dozen or so 1/2" copper couplings (available at any plumbing supply or home building store). They are easy to clean, will give you the desired copper in your vapor path, and not mess with the existing packing, which is obviously working well for you.

Thanks guys. One thing I did was use a voltage regulator.Played with different settings. Last run I bumped it up to 80 volts from 60 and was finished much faster with same proof. Haven't hit 95% often but a good 92-94. I also changed water supply method. was coming off the well pump but found the pressure swing had some effect. I keep a spreadsheet for every run and find it helps. My PSii has a 2" column. I was thinking of taking some ring out of the top of the column and use some copper pads or something along what "admin" suggested. How many rolls did you use "more then I can drink" for your column?
Falcon

You proof every 200ml, that is often. What temp is the product coming out of the condenser at? My product is so cold I need to wait for it to warm up to get an accurate reading because when it warms up to proper temperature the reading of proof is higher.

Why are you proofing so often, is it to make cuts? If it is, you will find, if you switch to copper that is, you will be making a lot less cuts cause the copper removes so much of the taste that it's all the same.

I remember drinking what I made with ceramic rings, I thought I had a pretty good drink, but my friends snubbed their noses, now I wouldn't touch it myself. It's worth the few dollars to go copper.

If you're still using carbon, once again I suggest going copper to save money on the unneeded carbon. I think carbon is more expense than copper, less messy and less time consuming.

I have a small reflux still and use nothing but copper scrubbers in the column. I get a product that has little in the way of heads, and tails are hard to distinguish until the temp climbs. pretty good taste too using sweet feed as a yeast food. I was using rings but in the working of my still I managed to get some rings down into the Liebig and halfway through a run it stopped up the water flow. I happened to look at the collection jar and saw nothing but vapor. Naturally I panicked and increased the water flow dramatically. It finally cleared and I got back to work. Serious for me because I use propane as a heat source and I don't need explosive vapors floating around.
I use a 1 gallon pot to hold my collection jar in. I feel it gives me extra protection against spillage and heavier than air vapors. It may have saved my banana.

PS; O'Cedar scrubbers are all copper. No need for the magnet test.

I would like to report, I'll stick with copper backing for now on. What a difference. Column rock solid at 78c. Only thing, proof fell off to 88%. Low draw @ 15 ml/minute,heat set to 70 volts. I used a 25' roll in my 2", maybe I should use a bit more to increase proof? Also how often should the copper be cleaned? I use to clean the ring every 3-4 runs.

I read over this topic and something jumped out at me. You were reporting "Only thing, proof fell off to 88%" Is it 88 ABV or 88 proof? Big difference as 88 proof is 44 ABV. The numbers sound like ABV but it was a bit confusing.