Advance auto syphoner4/30/2023 ![]() They found that the hops that were floating loose in the beer tested with almost 50% more linalool than the beer with hops in a sack, which they concluded could “increase the likelihood of a beer with a more intense aroma.” 1 In theory I can see how this makes sense, it’s kind of like taking a large bedspread out of the clothes dryer that appears to be completely dry, but until you lay it out across the bed do you realize the entire middle section is still wet. Two separate green beers were dry hopped, one loose and the other in a sack. A lab trial was conducted to test whether using a finely woven sack reduced the solubility of the hops. dry hops contained in a finely woven sack. If you can dry hop in fine mesh bags inside kegs, then why even worry about loose dry hopping? One of the interesting things I learned when doing research for a post on hopping methods, was from a Hopsteiner study that tested the extraction of dry hopped beers with pellets loosely vs. New custom made auto siphon filter w/ enclosed flat bottom and increased to 21″ and larger diamater to prevent scratching of siphon Keg Filter The original test filter I purchased was 18″ inches to ensure it always sat above the beer you were racking, but as described below in the keg hopping section, was increased to be 21″ to create a multipurpose filter. ![]() We came up with a custom 300-micron stainless steel filter that is wide enough to easily slip over the racking cane without scratching it (1 1/8″ diameter) and has an enclosed inverted bottom, which means it sits flat against the bottom of your carboy when racking and eliminates the need to use the red rubber stopper used with the glass carboy filter, thus eliminating the tilting of the fermenter. Turns out they were more than willing to help out and super cool to work with. Since I purchased this particular filter from the online store at Utah Biodiesel Supply, I thought I’d reach out to them to see if they were open to slightly adjusting their dry hopper for glass carboys product into an improved auto-siphon filter. The other issue is that these filters are only 1″ inch in diameter, which is too narrow to fit over the fattest part near the bottom of the siphon without rubbing and likely scratching the siphon, which could lead to infections down the road. This is the glass carboy dry hopper, notice the red silicone cap that sticks out from the bottom.Īlthough this does work, it wasn’t without problems, the rubber stopper on the end sits up too high above the last gallon or so of beer your racking out, which meant I would have to tilt my fermenter towards the siphon to compensate. I figured a stainless solution that was easy to clean and sanitize would be a better racking solution so I purchased a 300 micron stainless steel filter intended to be used to fill with dry hops and shoved into a glass carboy, only I would slide the auto-siphon inside the filter and cap the other end of the filter with the plug, which would allow me to stick the siphon in the fermenter and rack without issues. For awhile I would secure the bag to the siphon with a worm clamp, which worked alright, but was another step and I started losing track of which bags I used for dry hopping in sour beer and which I used for clean beers. Mainly, the bag had a tendency to want to float it’s way off the end of the siphon. I’ve tried and didn’t like the mesh bag over the siphon approach. So I couldn’t release the pressure via the clogged pressure relief valve or through the C02-in poppet (because of the clogged carbonation stone), and I couldn’t pour beer through the clogged out poppet. The additional fermentation also moved around the loose hops enough to get inside a filter I was experimenting with clogging the liquid out line. My worst experience dealing with hops and another reason I wanted to find a solid dry hopping solution came from transferring a NEIPA to a serving keg with loose hop pellets too early, which resulted in additional fermentation in the serving keg, which led to krausen inside the full keg which clogged the carbonation stone and the pressure relief valve. All of these methods work OK, but I wanted a more reliable solution that allowed me to dry hop loose both in kegs and during primary fermentation. For racking, I’ve tried dry hopping loose in primary and putting a mesh bag over the racking cane or just bagging the hops in primary. I’ve tried hanging bags of hops with floss inside a keg. I’ve tried sinking fine mesh hop bags with stainless steel washers. Dry hopping in kegs and dealing with clogged poppets or a hop bag blocking the dip tube isn’t fun either. Racking to a serving keg or bottling bucket from a primary fermenter full of loose hop pellets has its issues. For as much as I love hoppy beers, dealing with all the hops throughout the process can be challenging.
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