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Bentonite is a negative charged, clay-like mineral, that, like sparkalloid, removes positively charged particles. It works best when the wine is at warmer temperature so we suggest clearing with bentonite in the late spring or early summer. It is also more effective at a lower pH because the positive charge on proteins is stonger at lower pH levels.

Generic low level fining for five gallons: blend 1/2 tsp (approx 3g) with 1/2 cup of hot water (140 to 200 F) in a blender for 1-2 minutes. Let stand for 60 minutes, mix, and stir into wine. Let stand for 10-14 days and then rack off. This is fining at .16g/L
For a generic mid level addition: Follow above directions but use 9 grams of with 3/4 cup of water. This is fining at .5g/L.

A more scientific method is to make a stock solution of 5% bentonite and then run bench trials to see the lowest level that solution that will clear the wine sufficiently. Fining is non-selective so at the same time you are removing yeast you are also removing other desireable phenolic compounds. Thus the lowest level concentration that will do the job is always the most desired. To make a 5% solution add 50 grams to 850ml of hot water and mix it thoroughly, then top off to a final volume of 1L. You will need to set up a trial with clear jars of the same volume. Add different amounts of solution to achieve addition rates between .3g/l and 2.0g/l. You will have to do some math! Let the trials clear overnight. For more technical information check out BK653 - Monitoring the Winemaking Process from Grapes to Wine - Techniques & Concepts.

When making a wine kit from concentrate you will often add the bentonite on the first day. This happens for a few reasons. It is used as a nucleation sites for the removal of CO2. Additionally, the bentonite is moved all around the wine by the CO2 and thus less can be used more efficiently in a shorter time period.

This is a Vitiben Bentonite.

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Help fine mead
W.M. V on Aug 3, 2020
Ada B on May 29, 2020
Help fine mead
W.M. V on Aug 3, 2020
to clarify mead
Robert W on Jun 24, 2020
Ada B on May 29, 2020
It's an excellent food for our bamboo
Jerome M. G on May 13, 2020
Valued C on May 1, 2020
Best to clarify stubborn wines
Chris M on Apr 22, 2020
Best price per pound, even after shipping cost.
Gerard T on Mar 19, 2020
Need more.
Rodney C on Jan 25, 2020
Clear wine
Dani E on Jan 14, 2020
I add bentonite to almost all my ferment to remove any chance of protein instability and I think it helps the ferment progress.
craig M on Jan 14, 2020
clarify white wine
Debra K S on Nov 8, 2019
Used before. Like it.
Barry S on Oct 28, 2019
To clarify cider.
Dominic Q on Oct 28, 2019
Great for clarifying wine
DAVID P on Oct 14, 2019
I like this, it works for me!
john on Sep 16, 2019
To clarify wine
Dan Montgomery on Sep 16, 2019
Clearing/fining of white wine before bottling.
Kevin E Hart on Aug 28, 2019
to clarify my wine
dennis webb on Jun 29, 2019
I ran out of it.
Susan Hatton on Jun 22, 2019
to Fine some of my cider.
David S on Apr 23, 2019
first step to fine cider
david j on Jan 29, 2019
Bentonite is a great clarifyng agent for whites. I add it to the juice after pressing the grape, wait for 24 hours, and then inoculate. This eliminates dirt, seed and skin particles in juice and reduces tannin in the wine.
Hayri O on Oct 24, 2018
to clarify white wine
Pat G on Oct 22, 2018
To clear wine
Eric D on Oct 1, 2018
to clear mead
E. S on Sep 11, 2018
I always add this to start my process. It helps the fining at the end of the process
James B on Aug 14, 2018
beer clarity
Matthew V on May 24, 2018
to clarify mead
Robert W on Jun 24, 2020
It's an excellent food for our bamboo
Jerome M. G on May 13, 2020
Do you sell 50 lb sacks?
raul j de la garza c on Feb 19, 2018
Bentonite 50 lb sack
Bentonite 50 lb sack

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Great quality.
I bought to use to mix with linseed oil to make impasto for my oil paints. Works great!
June 13, 2020
2 months ago