What to put in the demijohn to preserve the wine

Preserving wine is an art that has been mastered over centuries. From ancient civilizations to modern winemakers, the process of keeping wine fresh and flavorful has always been crucial. One of the essential tools for preserving wine is a demijohn, a large glass container that allows the wine to age and mature. But what exactly should be put in the demijohn to preserve the wine? Let’s explore the key elements to consider.

1. Wine:
First and foremost, the primary ingredient to put in a demijohn is, without a doubt, wine itself. The quality of the wine that goes into the demijohn greatly affects its preservation. Ensure that the wine you choose is of high quality, free from any defects, and suitable for long-term aging. Opt for wines with a balanced acidity and mature tannins for best results.

2. Sulfur dioxide:
To prevent oxidation and microbial spoilage, sulfur dioxide (SO2) is a necessary component in the preservation process. It acts as both an antioxidant and an antimicrobial agent, inhibiting the growth of unwanted bacteria and yeasts. It is best to add a sulfite solution or Campden tablets to the demijohn in the recommended dosage based on the wine’s pH level and age.

3. Clarifying agents:
While not essential for preserving wine, adding clarifying agents can improve the wine’s appearance and reduce any unwanted sediments. Common clarifying agents include bentonite, gelatin, and activated carbon. Following the instructions provided by the manufacturer, add the appropriate amount of clarifying agent to the wine in the demijohn and allow it to settle before bottling.

4. Aging adjuncts:
Depending on personal preferences and desired wine characteristics, aging adjuncts can be added to enhance the flavor, aroma, and complexity of the wine. Popular adjuncts include oak chips, oak staves, or even whole oak spirals. These can be added directly into the demijohn, allowing the wine to absorb the flavors of the wood during the aging process. Remember to monitor the wine closely to ensure the desired level of oak influence is achieved.

5. Time:
Patience is key when it comes to preserving wine in a demijohn. Wine needs time to develop and mature inside the demijohn. It is recommended to store the demijohn in a cool, dark place with a stable temperature, away from any heat or sunlight. Monitor the wine periodically, checking for any signs of spoilage or oxidation. Depending on the wine style and desired maturity, aging times can range from a few months to several years.

6. Proper sealing:
To avoid any unwanted oxygen exposure, it is crucial to seal the demijohn properly. Make sure the demijohn is fitted with an airtight stopper or airlock to prevent any air from entering and affecting the wine’s quality. Regularly check the seals, especially during the first few weeks, to ensure a firm and secure closure.

Preserving wine in a demijohn requires attention to detail, the right ingredients, and a well-controlled environment. By carefully selecting the wine, adding the necessary preservatives, and employing the appropriate aging techniques, you can have a beautifully preserved wine that will reward your patience and effort. Remember, as with any form of preservation, proper sanitation and hygiene practices are vital to ensure the longevity and quality of your wine. Cheers to preserving the flavors of the vine for years to come!