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  1. natmartin

    Kegland Rapt Pill floating hydrometer temperature monitor

    Continuing to put on my EE hat, I should point out that -71dB to -68dB is actually twice the received power! So that's a bigger change than it seems. Glad that reality seems to be matching physics theory! I like the plastic caps you're selling, if for no other reason it would be fun to look...
  2. natmartin

    Kegland Rapt Pill floating hydrometer temperature monitor

    I'll also say I'm not an RF engineer, though I tend to deal with RF issues frequently. That said, I don't think grounding the conical will make a difference one way or another. The entire effect is based on having a conductive material entirely surrounding an electric field.
  3. natmartin

    Kegland Rapt Pill floating hydrometer temperature monitor

    Very cool! Any plans for a 1.5” size? (I know I can always use the 2” with an adapter)
  4. natmartin

    Kegland Rapt Pill floating hydrometer temperature monitor

    So, speaking as an electrical engineer, the problem is that the conical is a Faraday chamber, and the size of any RF-transparent apertures are pretty small when it's all sealed up. You don't actually need any antennas going between the inside and the outside, you just need a small area of...
  5. natmartin

    How late is too late?

    How late is too late? Hi hop experts! I have two questions for you: I have what should be 3rd year Cascade, and I also planted several rhizomes that I got from friends. I put the rhizomes in the ground towards the end of January. One of the rhizomes has sprouted, actually pretty quickly...
  6. natmartin

    Kegland Rapt Pill floating hydrometer temperature monitor

    No, I only started using the Pill with the mesh network in place. I also haven’t used the pill in my conical yet, just in kegs.
  7. natmartin

    Kegland Rapt Pill floating hydrometer temperature monitor

    On the subject of wifi, I'm using an Asus mesh setup, and I have a router in the same room, maybe 10 feet away, as the keg with the pill in it. No problem with signal quality, varies from -45dB to -65dB. Every once and a while a data point gets dropped, but overall it seems very consistent.
  8. natmartin

    Kegland Rapt Pill floating hydrometer temperature monitor

    I have a pill in a 2.6G torpedo corny along with a floating dip tube. So far no problems, they don't seem to be interfering with eachother. The pill is measuring accurately, and I was able to pull a sample from the dip tube
  9. natmartin

    Kegland Rapt Pill floating hydrometer temperature monitor

    I borrowed a Rapt Pill from a friend so I can test it out in my brewery before buying one. However, when I try to add it to my account, it tells me that I can't add it because it's been added before. I already "cleared registration" but the error remains. Is there any way to fix this other than...
  10. natmartin

    Campden tabs and Whirflock

    The bay area doesn't have super high chloramine levels, but it's in there. I'd definitely suggest using the cambden tablets. Whirlfloc is a little less important, but still can't hurt to put it in!
  11. natmartin

    Small Scale Glycol-Cooled Fermentation?

    Thanks for all the suggestions! Right now I'm looking at this cooling jacket as maybe the most straightforward method. Doesn't require any modifications to the keg (other than maybe a thermowell?), so this plus a 2.5G torpedo would be a pretty good setup I think: Conical Cooling Jacket
  12. natmartin

    Small Scale Glycol-Cooled Fermentation?

    My fridge is generally at 34/35F to keep cans cold... and is generally full of cans! I'm not fermenting small batches at all right now, so I'd be purchasing vessels to start doing this.
  13. natmartin

    Small Scale Glycol-Cooled Fermentation?

    I made the decision a while ago to use glycol rather than a fermentation chamber to control temperatures, and paired with a Spike CF5 I'm very very happy with this setup. However, I would like to periodically make some smaller (1-2G) batches, for experiments, SMASH beers, etc. Has anyone found...
  14. natmartin

    Vevor kegerators?

    We just bought two Vevor undercounter drawer refrigerators for the brewery, We thought they would be very similar to the HCK fridge we got in our kitchen. We were very wrong. The quality was significantly worse than the HCK. Everything feels cheaper. No soft-close drawers, bent components...
  15. natmartin

    RO Waste Water Pressure

    What would the reason be to use the chloraguard + chlorine, vs the double chloraguard?
  16. natmartin

    RO Waste Water Pressure

    Fantastic! I’m working on an order from you guys for a few things to complete and add on to the system. Since I have you here: I have chloramines in my water. Do I replace the carbon filter in my stem with a chloragard filter that you sell, or do I add the chloragard on with an additional housing?
  17. natmartin

    RO Waste Water Pressure

    Thanks to another HBT member, I now own an RO system, which I'm starting to work on setting up in my brewery. Since I'm in drought-ridden California, I try to stay conscious of how much water I'm using while brewing. I'm setting up a 60 gallon rain-water collection barrel outside of my brewery...
  18. natmartin

    Missed Mash pH on last three brews

    Wow, I think I'm switching over! Using your program, with 13mL of Phosphoric acid added, it's predicting 5.59. I saw around 5.62-5.68 Adding another 13mL, it predicts 5.50. I saw 5.55. I'll try using your application to plan my next batch. Thanks!
  19. natmartin

    Missed Mash pH on last three brews

    Sounds like I should check out your software. I’m curious, what are you doing differently from Bru’n Water, since the results are ending up fairly different?
  20. natmartin

    Missed Mash pH on last three brews

    Ok, I brewed this weekend, so here's an update. Still some mysteries here. I brewed a Cold IPA again, though I changed up the recipe a bit. I also rechecked my water the night before with the brewlab kit, using a sample of the actual water filling my system. My water is even softer now than it...
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