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  1. Normal.

    If you don't rake, the malt cookie is likely to shrink as the 78% of mass converts to liquid. It's only then that the sparge seeks out cracks, which usually start at the periphery and then work...
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    Wait a minute....

    If this is with uncarbonated/undercarbonated beer then a high headspace pressure will lessen over time. The beer will tend toward equilibrium and it is normal for headspace pressure to decrease...
  3. Thread: propane

    by gitchegumee
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    All good!

    You should be fine. 17 years piped into a Midco burner and we've never cleaned out our firebox.
  4. Sounds about right....

    All the propagations I've done in breweries have used air compressor. But in a cidery I've used an aquarium pump & small stone to aerate cider to make vinegar. Should be same concept. Worked just...
  5. Thread: propane

    by gitchegumee
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    509

    Not sure what you're looking for....

    Certainly you can use propane in lieu of natural gas. Just need your boiler to be jetted correctly, which is not a big deal. Most any boiler will come with two sets of jets for just this...
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    Should be an easy task

    Spray soap water on the relief valve. You've obviously got a CO2 leak, and since there's only a bit of that above the liquid line....... Should be an easy task to find it.
  7. Why not?

    Pasteurization is a function of time and temperature, so if designed correctly it should work. But I've operated several pasteurizers and can tell you first hand that it is not so easy. Depending...
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    Endress & Hauser!

    If money is no object, then the best I've used is E&H. They have a complete line for breweries, wineries, and other sanitary beverage applications. Very high quality. BTW, I've had many of the...
  9. How often do you brew?

    Unless you are brewing every day, I would not keep hoses & Hx packed. I think it's better to thoroughly clean and then leave them hang to dry. If I'm having a long day, I'll leave the hot PBW...
  10. Use a CIP schedule with a small tank...

    Sounds like you get far too much in your Hx. Methods for better whirlpool may be useful. SOP for most installations should include a tank with your CIP. Something small like a scrap keg works...
  11. Same here...

    We use the stainless version of the smaller True unit TDD-1S. Use a 5/8" hole saw for standard 9/16" CO2 hose. We bore near the top back of either side. There is nothing but insulation on either...
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    Need more information...

    You measuring water, beer, hydrofluoric acid? What temperature? At what flow rate? Indication only, or transmitter? I've installed water flowmeters in half a dozen brewhouses for precise water...
  13. Halfway up the tank?

    Next time you get a BBT, make sure that the stones are very near the bottom. Halfway up is a poor design. Can't carbonate half batches, high chance of stratification, less hydrostatic pressure on...
  14. Be very careful....

    Unless you are extremely careful to measure and document the flow rates achieved by splitting, this could be a nightmare. It's not only the pump that you have to consider, but also the entire...
  15. ?

    So how would you explain how this happens? I ALWAYS use check valves with CO2 stones and never had problems. But I also always install a ball valve just upstream from them. Can't see how this...
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    Beer scene sure has changed!

    IMO, craft beer--on average--was much better 20 years ago. Folks had to have a great beer or they wouldn't get funding for their brewery. They had to be accomplished in their trade and savvy with...
  17. A few more reasons for acid...

    NaOH doesn't rinse well without added agents. Acids rinse better and any residuals are more compatible with most sanitizers. So you'll save water. Your dirty kegs have CO2 inside which must be...
  18. Just don't use caustic...

    I'm a fan of NOT using caustic. Use an acid-based detergent instead. Problem solved! Unless you're serving mud, kegs don't really need a caustic cleaning.
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    Loss of efficiency?

    That should not happen. I see no reason why "batch sparging" would be any more efficient. I do see reasons for it to be less efficient. I know of no large breweries who exercise batch sparging. ...
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    Also check your overload relays...

    As previously stated, you need to accurately measure current. Then compare overload relays to nameplate data. If VFD, then review programming. It could very well be windings in the motor, but...
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    Some other considerations.

    If you let the sparge water drop to the level of grain bed, then the bed will begin to compress as the liquid level drops and the grain ceases to float. This done once is enough to impede liquid...
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    Can't tell you why anyone does batch sparging...

    I've never found a reason to go there. But, it is common for bits to get through the lauter bed. First step in mitigation is vorlauf. Apparently, you've got this covered. As you lauter, the malt...
  23. Either is fine.

    Either size will work, so I'd buy the cheaper, smaller hose. And don't get hot/cold hoses. You'll invariably need the opposite of what you can spare. Get every hose rated for every duty. I use 1"...
  24. That's not really applicable...

    Rotameters are built for a particular gas--most often NOT CO2. There are charts/equations to equate one gas flow rate to another. Rotameters are also built for a certain temperature. Again, there...
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    Three things....

    First, there are plenty of North American manufacturers that can custom-build equipment to most any reasonable specification.

    Second, your equipment should be relatively easy to source. If you...
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