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  1. MHB

    Consolidating Hop Inventory

    My LHBS supplies hops by the gram with the recipe, they are all well looked after (better than most home brewers treat their hops) no leftovers, same with malt, I order a recipe, get to choose the crack to suit my needs, all packed in barrier bags... Have stored orders for months and cant see...
  2. MHB

    Consolidating Hop Inventory

    Worth noting that its really Hallertau Magnum, and Hallertau Perl, both bread out of Hallertau Mittlefruh. Hallertau Magnum is my go to bittering hop for anything German (even European) but I would like to have at least one of the noble hops (add Saaz) So Mittlefruh, Hersbrucker, Tetnang, Spalt...
  3. MHB

    Dry Malt boiled over and causing strange reaction

    Probably not an infection that quickly, Chlorophenols are a possibility but heating concentrated sugar solutions can get way hotter than people expect. I think you have effectively scorched your wort, see the following from Complete Beer Fault Guide. Often in brewing it isn't just one thing, you...
  4. MHB

    Water Expansion/shrinkage

    The "standard" figure used in breweries everywhere is 4% contraction between boiling and 20oC. Two points, that 4% isn't exact but its a close enough approximation for most brewing. Pots are rarely exactly parallel unless they are fabricated (welded up out of sheet), if they are pressed or spun...
  5. MHB

    The old keg foams as the beer disappears trick

    The quality of taps, line and fittings makes a big difference to how well your beer will pour. The difference between one of the pro Brumby from Andale or Lancer (something Japanese) alongside one of the cheap knockoffs has to be seen to be believed. Low quality systems can be impossible to...
  6. MHB

    The old keg foams as the beer disappears trick

    If you look at the equation its pretty clear why temp plays such a big role Condition in g/L = Absolute Pressure (Gauge + Atmospheric) X Solubility Constant to the power of (^) Constant/Temperature (in k or absolute). Kodos The pressure involved in lifting the beer will have a much larger...
  7. MHB

    The old keg foams as the beer disappears trick

    If you don't like that answer, maybe conjuring with the right magic words will fix the problem for you, you could try prayer, sacrificing to your favorite god... or stick with science Don't forget that its not just 2 dg difference, there is time to include to. As you get closer to the bottom if...
  8. MHB

    The old keg foams as the beer disappears trick

    Going to try and keep this short and simple, got something to do soon so not being terse, just in a bit of a rush. 1/ The amount of CO2 in solution is directly related to the temperature and the pressure, here is the equation (Braukaiser Carbonation Tables) 2/ At a given temperature the amount...
  9. MHB

    Avoiding smoky character from hops?

    Read up on Phenolics, there is some good basic info in the link but if you need more at least you have some idea where to start looking. Mark
  10. MHB

    Continuing Jokes Thread

    Something similar in a different thread. Couldn't post with attachments relating to designing triangle tests and QA in brewing. Ended up deleting the post and replacing it with "Glitched" At the time I just assumed someone Dozy, Sneezy, Itchy... had killed it off, maybe not after all. Mark
  11. MHB

    Avoiding smoky character from hops?

    Phenolics sound like a good possibility. Save this to your desk top, I find it really useful. Ctrl F to search for smoke in this case. Mark
  12. MHB

    US election

    From when it all began
  13. MHB

    Sodium Percarbonate

    They all contain Percarbonate, in various amounts, mostly something like 30%, balance is called filler in the chemical trade (granulated partly hydrated Sodium Carbonate). Trey are designed to get shit out of nappies, not to clean brewing equipment, if you think they will do the same job as made...
  14. MHB

    Sodium Percarbonate

    Just be aware that there is a lot of difference between the "cleaning power" of something like Perk or caustic and a mixed product like PPB. PBW contains 5 ingredients that I know of, including caustic (a smidge for pH adjustment) wetting agent that helps cleaner get under the soil (technical...
  15. MHB

    Seeking plumbing help with tap - (side lever mixer with spring pull-down spray gun)

    The big white plastic thing clips on where you have a circle. If you unlatch the handpiece, I think you will find you can pull the hose out and use it like a hand shower, actually Very handy for cleaning around the brewer. I think that model is designed for cleaning vegies and washing up in...
  16. MHB

    Any one seen this before!?

    First I would go to Braukaiser and read the relevant sections (better to read the whole thing over time) Then download Bru'n Water to do your calculations. There are other options but those two tell no lies and will give you a fair basic knowledge. Mark
  17. MHB

    Any one seen this before!?

    With a lot of protein in solution Bisulfite (not the K or Na part but the SO3-) can complex into a gel. Normally only happens at higher pH than we find in a wort. I would really like to know the pH of your mash, I suspect its too high Your mash regime has a Glucan and Protein rest so you have a...
  18. MHB

    Any one seen this before!?

    Ok In that case its probably Glucan jell. Would be good to know your grain bill and mash temperature regime. Have seen American Ale malt do that. I CBA spending half a day discussing this again. DO NOT add Carbonate unless you have a measured pH Lower than 5.2. Chloride, Sulphate, Lactate sure...
  19. MHB

    US election

    If it was it failed, he's still haunting the white house. Mark
  20. MHB

    Any one seen this before!?

    If its a translucent jelly, did you add a bunch of salts?
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