You're right. I don't have the sheet anymore, but along with my oxygenation kit they had some specifications as to the maximum amount of oxygen that could be dissolved in the wort for different aeration methods: shaking the fermenter, bubbling with air, or bubbling with pure oxygen. Just a minute or two with pure oxygen gets significantly more O2 into solution than even the theoretical maximum amount you can get from using just air.Iordz said:I feel that the aquarium pump cannot saturate enough oxygen into high gravity wort.
This is the reason I am going to buy an oxygenation kit. But aquarium pumps are a good alternative, as long as you use a filter.Funkenjäger said:Just a minute or two with pure oxygen gets significantly more O2 into solution than even the theoretical maximum amount you can get from using just air.
david_42 said:I've had very good luck with a pump and filter. On some of my bigger beers, I've plugged the pump into a timer and aerated for 15 minutes every two hours for an entire night. Makes for maximal yeast growth.
Bulls Beers said:Hey Dave, When you say bigger beers, what do you mean?
Fact: Wort has an oxygen content of about 8.5 ppm when saturated with air (79% nitrogen and 21% oxygen) and an oxygen content of about 43 ppm when saturated with oxygen.
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