Citric Acid and SO2 - Cleaning Barrels - Sacramento Home Winemakers

Follow these steps using the amounts listed in the Table below.

Rinse the barrel with cold water several times with the barrel about 1/4 full of water rolling both sideways and end for end.
Fill half-way with water.
Add sodium mettabisulphate solution from the table below. Normally, sodium metabisulfite is used for cleaning barrels while potassium metabisulfite is used for addition to musts or wine.
Add citric acid solution from the table below.
Mix by rolling, fill completely with cold water, replace bung and place into storage. If sterilizing for wine use, let stand for 48 hours and then rinse several times with cold water before using.
If storing the barrel, check the level in the barrel every month and add cold water to keep barrel full. For an active and fresh solution, change the water and refill the citric acid and sulfite solution every 2-3 months.

Follow these steps using the amounts listed in the Table below.

Rinse the barrel with cold water several times with the barrel about 1/4 full of water rolling both sideways and end for end.
Fill half-way with water.
Add sodium bisulfite solution from the table below. Normally, sodium metabisulfite is used for cleaning barrels while potassium metabisulfite is used for addition to musts or wine.
Add citric acid solution from the table below.
Mix by rolling, fill completely with cold water, replace bung and place into storage. If sterilizing for wine use, let stand for 48 hours and then rinse several times with cold water before using.
If storing the barrel, check the level in the barrel every month and add cold water to keep barrel full. For an active and fresh solution, change the water and refill the citric acid and sulfite solution every 2-3 months.