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What are advantages and disadvantages of the various fermenters Mr. Beer sells? Right now I have 4 LBKs and one of the vertical 2G Fermenters. I am intrigued by the conical fermenter. I can see the size and space benefits of the LBK, particularly when used in a fridge for temp control. And I see the advantage of the vertical 2G fermenter. What makes the fastfermenter appealing? If there is a blog post or somewhere else this has already been discussed, I would appreciate it!
The FastFermenter is a great way to brew your beer AND harvest yeast. A few people, however, have been confused by the instructions included in the FastFermenter kit. These instructions are intended for unhopped malt extract and all-grain brewing. You will NOT boil your wort at all when using Mr. Beer refills in this fermenter. Remember, it's simply a fermenter and nothing about the brewing process changes, other than the fact that you can harvest your yeast and easily remove trub before bottling. Here are the updated instructions for brewing MR. Beer in this fermenter: Remove the yeast packet from under the lid of the can of Brewing Extract, then place the unopened can in hot tap water. Using the cleaned measuring cup, pour 4 cups of water into your 3-quart or larger pot. If Booster Pack is included, add slowly while stirring into cool water until dissolved. Bring water to a boil, and then remove from heat. Open the can of brewing extract and pour it into the boiled water. Stir until thoroughly mixed. This mixture is called “wort”. With the bottom valve all the way open, fill the fermenter with cold, refrigerated water to the 1-gallon mark. TIP: For best results, use bottled spring water or charcoal-filtered tap water between 40° - 60°F. Pour the hot wort into the fermenter, and then bring the total volume of the fermenter to the 2-gallon mark by adding more cold water. Mix vigorously with the spoon or whisk. Sprinkle the entire yeast packet into the fermenter (do NOT stir), then screw on the lid and attach the airlock. Fill the airlock with water up to the line. After 5 days, close the valve and remove the collection jar from fermenter. Discard the sediment (called “trub”) from the jar, then clean and sanitize the jar in boiling water for a few minutes and replace onto the fermenter. Open the valve allowing the jar to fill with beer and continue the fermentation period. Once you are ready to bottle, close the valve and remove the collection jar from fermenter. The contents of the jar, which will mostly be yeast, can be discarded or saved to ferment a future batch. If saved, put a lid on the jar and refrigerate right away until use. This yeast may be used for up to 4 weeks after refrigeration. After removing the jar, screw on the barbed hose adapter with 3.8” hose attached for bottling or kegging. You will use this hose to transfer your beer into bottles or kegs for carbonation. To reuse your harvested yeast, simply pitch into your next batch by pouring the contents from the collection jar into the fermenter when it calls for yeast. I hope this clears up any confusion about using Mr. Beer/Coopers products with the new 3G FastFermenter. But as usual, if anyone has any questions, post here, call us, email us, or reach out via our web chat. Cheers!