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Silk City Distillers

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  1. Silk City Distillers

    53g maturation window

    New or used oak?
  2. Silk City Distillers

    Cleaning Copper

    High temp varnish?
  3. Silk City Distillers

    53g maturation window

    Trying to plan out the logistics of shifting to 53g. What are you folks seeing in terms of lower bound maturation timeframes in 53g? We are currently predominantly 30g, with a 24-26 month lower bound. Through the grapevine, folks have told me 36 months on 53 - but that seems somewhat young. We have a few at the 3 year mark now, and I’m hesitating to even think about touching. Really interested in hearing your thoughts, planning for a shift from 30g to 53g - and it’s a major investment in time, and money, and I’d prefer not to get it wrong and end up with a gap as a result.
  4. Silk City Distillers

    utility costs as percentage of costs of goods sold

    Cooling water is the big energy savings. However, are you legally permitted to take the water and discharge it?
  5. Silk City Distillers

    Distillate Off-Flavor

    pH is usually never the problem. It can be a symptom, but seldom the cause. I agree with nutrient additions for an entirely raw (non-malt) batch, especially if you aren't using backset. If your end result is neutral, you might opt to go the route of a small addition of DAP vs. using a fancy organic/amino acid-based nutrient. Try something like 470g of DAP per 1000l of mash - that will add 100mg/l FAN. You might be able to pull that back to 235g/1000l. Hard to estimate since you don't know the starting FAN of the mash. In addition, if neutral is your goal, you might want to consider dialing back that starting gravity to 1.055-1.06 and trading a faster fermentation for a higher yield, especially if you are just stripping anyway. Duration of fermentation isn't linear, once you start pushing near 10%, you risk protracted/long fermentation times. Protracted/long fermentations emphasize bacterial flavor contributions (positive or negative). The pH dropping is a sign of this, and means hitting terminal gravity is going to draw out as the lower pH starts to stress yeast.
  6. Silk City Distillers

    Baine Marie - Glycol?

    HTFs are ideal, but what people found out was that the thermal mass of the HTF (Mineral oil, heavy glycol, etc), in addition to mash/wash being heated, made their already slow heat up times even worse - because they were already running undersized. This was especially so when they filled their big fat steam jackets with gallons and gallons of additional liquid for the little elements to heat. The other factor to consider, is the thermal mass of hot HTF means that you need to anticipate your heat input changes far in advance. If you were used to driving a still with immersion elements, this is a big difference, because it's like piloting a cruise ship vs a speedboat. I know a local place that uses a circulated hot oil system, they use a massive 3 phase 480v circulation heater and their tanks have coils. They make asphalt sealer, steam can't get hot enough.
  7. Silk City Distillers

    RACKS - 30 gallon, Western Square, Double Bar

    Interested - location?
  8. Silk City Distillers

    Continuous Starch Cooking

    Another fairly successful test run today. Clear, though, that we can't squeeze any more out of this boiler, even tempering the brutally cold ground water, we're still ending up around 140f output, at the 7gpm rate. Given I'm using the same boiler to heat the water as I'm using to drive the steam injector, should be no surprise since a BTU is a BTU. Tempted to preheat some water in a holding tank, but that goes against the whole idea. Once we've got this in a more permanent arrangement, we'll see if we can slow down the mill speed and water flow rates to get closer to boiling.
  9. Silk City Distillers

    Anyone have experience w/ Affordable Distillery Equipment LLC??

    Square fermenters look great.
  10. Silk City Distillers

    Brix vs Deg Brix

    SG of 1.005, if that’s the actual SG, is the number to watch. For us, complete fermentation is 1.000 or slightly below for grain.
  11. Silk City Distillers

    Mash pH

    One of my biggest regrets, get to go to Copenhagen and they were closed.
  12. Silk City Distillers

    "Angels Share"... What are you seeing?

    Are you guys consistently soaking? Or going in dry?
  13. Silk City Distillers

    "Angels Share"... What are you seeing?

    @indyspirits - Wow, we are very very similar to you. 20% loss in 2y in 30g, with the 53g being roughly half. We have heat, but it runs sporadically. Coldest winter temperatures are around 55 degrees, and we have hit 100 in the summer. Probably similar to you, winters are very very dry. Low outdoor relative humidity in the winter means even lower, bone-dry, relative humidity indoors at warmer temps.\ We've considered humidifying to reduce losses, but we really get some fabulous color and flavor at the 2 year mark, which makes me hesitate to change any of that. To some extent, evaporation of liquid means some intensification of flavor, especially as it relates to the non-volatiles. Our proof slightly increases in 2 years, but it's fairly minor, maybe and increase of 2 proof. Looking at some of the high proof KY Bourbons, seeing proofs at 130+, wouldn't it mean KY is too dry?
  14. Silk City Distillers

    Thoughts on Quinoa

    I don't know the method used, but it was a saponin-removed ready-to-cook variation. I know a co-packer who imports in bulk and repackages for retail and food-service use, he was able to pull in some extra for us. The mash was not at all bitter.
  15. Silk City Distillers

    Mash pH

    Whiskey flavored with venomous ants
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