What is the purpose of using these?

These are used in a reflux still. The alcohol condenses on these and runs back into pot. This allows for the moisture that reaches the top of still to contain a higher percentage of alcohol. In short you get a higher percentage of alcohol by volume (ABV) from your still.

How long do they last?

About as long as a toilet. They are ceramic rings. They may get smooth but they will last, virtually, forever.

How many do I put in for a 1 gallon air stil?

1/8 to 1/4 cup or so, it's not exact. Lots of people also add pieces of copper.

how many bags suggested for a 2" x 3' column

The one pound bag I received contained 416 ml. Your 2" x 3' column has a volume of ‭‪1,853.328‬‬ ml. if you don't use any other stuffing, so you need about 4.4 bags. These are very small about .2 diameter X .1 - .4 length, so you need something at the top of your column to prevent them clogging the outlet tubing when you pour them in the column. I put some in a string tied jelly bag and slid it down the tube first for this purpose. They are dusty when they arrive, and must be rinsed thoroughly.

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FERMFASTCeramic Raschig Rings (1 Ounce)

Product ID: 45752359

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Details

Brand
Fermfast
Number of Items
1
Unit Count
1.0 Count
Item Weight
1 Ounces
Item Package Quantity
1

🌀Max surface area for optimal flow

📦Compact 1 oz package

🔥Boosts boil efficiency

Description

🔥 Elevate your craft with every boil!

ELEVATE YOUR CRAFT - Ideal for hobbyists seeking professional-grade column filling materials.
COMPACT CONVENIENT - 1-ounce packaging perfect for precise, small-batch applications.
MAXIMIZE YOUR BOIL POWER - Ceramic Raschig rings enhance boiling efficiency for superior results.
ENGINEERED FOR OPTIMAL FLOW - Large surface area ensures even distribution and improved column performance.
JOIN THE FERMENTATION ELITE - Trusted by creative pros to boost process quality and consistency.

FERMFAST Ceramic Raschig Rings are precision-engineered ceramic pellets designed to enhance boiling efficiency and improve column filling performance. Their large surface area optimizes flow dynamics, making them ideal for hobbyists and professionals in arts and crafts requiring reliable filling materials. Packaged in a convenient 1-ounce size, they offer a perfect balance of quality and usability.

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