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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Fermfast Ceramic Raschig Rings White (1 Pound)

Product ID: 309300508

Details

Item weight
0.43 Kilograms
Number of Items
1
Orientation
Landscape
Shape
Rectangular
Size
1 Pound

🧱Durable ceramic material

⚗️High surface area for efficient distillation

🇺🇸Proudly made in the USA

Description

⚗️ Elevate your distillation game with precision-packed ceramic rings!

COMPACT 1 POUND PACK - Perfectly sized for small to medium-scale distillation setups without waste.
VERSATILE INDUSTRIAL USE - Ideal for chemical engineering, absorption towers, and home-brew enthusiasts aiming for professional results.
PREMIUM CERAMIC DURABILITY - Robust ceramic construction ensures long-lasting performance under industrial conditions.
TRUSTED AMERICAN CRAFTSMANSHIP - Manufactured in the USA, guaranteeing quality and reliability you can count on.
MAXIMIZE DISTILLATION EFFICIENCY - Optimized high surface area design accelerates chemical reactions and improves separation.

Fermfast Ceramic Raschig Rings (1 Pound) are premium white ceramic rings designed to maximize surface area in distillation and absorption columns. Made in the USA, these durable rings enhance chemical separation efficiency, making them essential for both industrial and home-brewing applications.

Specifications

ASIN	B071KWFKPR
Age Range Description	Adult
Brand Name	Fermfast
Color	White
Customer Reviews	4.6 4.6 out of 5 stars (241)
Finish Type	Metallic
Frame Type	Unframed
Included Components	Wine Tools^ wine-making-starter-sets
Indoor Outdoor Usage	Indoor
Is Framed	No
Is Original Artwork	No
Item Shape	Rectangular
Item Type Name	Fermfast Ceramic Raschig Rings (1 Pound)
Item Weight	0.43 Kilograms
Manufacturer	Fermfast
Material	Ceramic
Mounting Type	Wall Mount
Number of Items	1
Orientation	Landscape
Paper Finish	Metallic
Pattern	Raschig Rings
Recommended Uses For Product	chemical engineering applications, column filling in distillation or absorption towers
Room Type	Kitchen
Size	1 Pound
Theme	Number
UPC	888690146860 797936430444
Unit Count	1 Count
Wall Art Form	Wall Panel

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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