Carbonation Stone - 2 Micron Diffusion Stone – Stainless Steel Aeration Stone Carbonating Stone with 1/4″ Barb – HENGKO

HENGKO carbonation stone is made of the food grade best stainless steel material 316L, healthier, practical, durable, high temperature resistant and anti-corrosion. It’s easy to clean, and won't crumble in beer or wort after uses.

Use this 2 micron oxygen stone with an oxygen source or aeration pump to provide your yeast with oxygen before or during fermentation. Macro-oxygenation, or adding oxygen during the fermentation aids in promotion of yeast growth and general yeast health which results in stronger finishes and fuller flavored wines. In our experimentation, the oxygenation has helped to soften the wine by reducing the sensation of tannins, while simultaneously allowing more fruit to come through. Can also be used for degassing wine with nitrogen.

The 2 micron stone is typically used for oxygenation applications, the 0.5-micron stone for carbonation applications.

2 Micron Diffusion Stone - Stainless Steel Aeration Stone Carbonating Stone with 1/4" Barb

Force carbonating beverages.

Set your regulator to about 2 psi, and the gas will be forced through the millions of tiny pores in the stone, which dissolves the gas into the liquid. Your beer will be carbonated overnight.

You will need a homebrew kegging outfit with CO2 tank, regulator, lines, and a keg. Simply attach a 24" length of ¼” ID tubing to the gas side dip tube of your keg with a worm clamp. On the other end of the tubing, attach the diffusion stone using another clamp.  There are charts available online and in books for exact levels of temperature and CO2 pressure to achieve desired carbonation levels. Following is an example for average carbonation in beer: Chill the beer to 40 F. Adjust the regulator to 2 PSI and attach the gas disconnect. Every 3 minutes increase the pressure 2 PSI until 12 PSI is reached. At this point the beer will be carbonated, but it won’t hurt to leave it alone in the refrigerator for a few days under pressure.

How to use the diffusion stone

1.The “stone” sits inside the keg near the bottom.

2.A hose barb attaches it to a length of tubing (generally about 2 feet of 1/4” ID thick wall vinyl hose) which is affixed to the short downtube under the “in” or “gas side” post.

3.When the CO2 is connected, it sends a tremendous number of gas bubbles out through the beer. The miniscule bubbles create a huge amount of surface area to help absorb CO2 rapidly into the beer. This is actually a miniature version of a device used by commercial breweries everywhere.

4.Carbonation should be virtually instantaneous, though the manufacturer recommends carbonating your beer at least a few hours before serving.

◆  HENGKO SS air stone is commonly used to aerate wort before fermentation, which helps ensure a healthy start to the fermentation process. The HENGKO 2.0 micron oxygen stone can be used to oxygenate wort using an oxygen regulator. The holes in the 0.5 stone are too fine to use it to aerate the wort with an aeration pump.

The 2 micron HENGKO inline carbonation stone have millions of tiny pores ,so that this diffusion stone will quickly oxygenate wort & carbonate beer/soda prior to fermentation,to lower fermentation times & not easily get clogged.

 Different micron stones produce very small bubbles, which are ideal for efficient absorption of the gas into your wort.

The most common use for this specific stone is to build an inline oxygenation assembly where the stone is threaded into a 1/2" NPT TEE, so chilled wort passes the stone on the way to the fermenter. It's important to limit the flow of oxygen in this setup to avoid over saturating the wort.

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