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Type: Posts; User: dick murton

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  1. Agree with Tim's comment, BUT, in the experience...

    Agree with Tim's comment, BUT, in the experience of a few guys I know who have this facility, they dislike using it for a couple of reasons

    Firstly, the systems are not fitted with effective...
  2. If your system is big enough and correctly set...

    If your system is big enough and correctly set up, it shouldn't matter where in the system you fit it as the header and return systems should have sufficient flow and pressure differential...
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    If hot (ca. 65 deg C) formulated caustic at about...

    If hot (ca. 65 deg C) formulated caustic at about 2% w/v doesn't work too well, add some hydrogen peroxide to the recirculating caustic. Unfortunately, I can't advise how much per litre / gallon...
  4. One brewery I worked at put ten batches into the...

    One brewery I worked at put ten batches into the same FV one after the other, over 20 hours, but with differing levels of oxygen - some at the end didn't get any - I can't remember the exact levels...
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    Water at sparge temperatures will pick up...

    Water at sparge temperatures will pick up negligible amounts of oxygen so tradition spray arms are not a problem. Any cold water addition to control the temperature will introduce more oxygen than...
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    A four roll mill only really makes sense if it is...

    A four roll mill only really makes sense if it is fitted with sieves to separate out the parts you don't want to send through the second set of rollers. 2k doesn't sound anything like enough to...
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    I think beating the living daylights out of the...

    I think beating the living daylights out of the mash with one of those mixers would be a disaster, as already noted. Try a grist to liquor ratio of about 2.25 to 2.5 to 1. Stir just enough to wet...
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    Small diameter brewery hose - flex-rite, purple...

    Small diameter brewery hose - flex-rite, purple snake or equivalent quality with manufacture supplied swaged ends. These will cope with PAA or steam, or 85 deg C hot water for sanitisation. I think...
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    The pipe shown looks incredibly oversized...

    The pipe shown looks incredibly oversized (diameter) for a sparge arm. Is that really the sparge arm?
  10. Agree with the other comments, but you also need...

    Agree with the other comments, but you also need to change any remaining hoses to the same size - no more than one inch. 1.5 inch pipework and hoses are unhygienically large for anything...
  11. Not sure how you intended to clean the keg -...

    Not sure how you intended to clean the keg - presumably by taking the spear out. But that leaves two major problems - ensuring you have jetted every internal surface of the main keg shell, and...
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    Looking at the video, the foam seems pretty...

    Looking at the video, the foam seems pretty consistent, BUT, I would be VERY concerned about oxygen pickup in beer since he is putting the ends on without undercover gassing / bubble breakers / inert...
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    If you are only brewing 3 - 5 US brls, then...

    If you are only brewing 3 - 5 US brls, then hydrostatic pressure is irrelevant unless you want to deliberately ferment under pressure to help suppress esters. In which case I would ferment a degree...
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    Funny you should ask that. A virtually identical...

    Funny you should ask that. A virtually identical question was raised on the brewery engineering forum on LinkedIn. So, hopefully, John Cluett, who wrote these responses, will not mind me copying...
  15. I second the use of a refractometer. Brix and...

    I second the use of a refractometer. Brix and plato are so close that for runoff purposes from the mash you might not even have to bother consulting one of the conversion charts until perhaps you...
  16. So the Murphys tablets are recommended at 1...

    So the Murphys tablets are recommended at 1 tablet (1.75 grams) per 1400 litres which gives an SO2 content of 0.785ppm

    BSG tablets - 0.5 gram gives 30 ppm in 3.78 litres

    So if my brain isn't...
  17. If you want more details on solid wastes, try...

    If you want more details on solid wastes, try this link

    https://onlinelibrary.wiley.com/doi/pdf/10.1002/jib.229
  18. I worked at one brewery where we replaced the old...

    I worked at one brewery where we replaced the old hopbacks, which were actually being used as not very effective whirlpools with new properly designed whirlpools. As we couldn't add the hops back to...
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    I don't know if you ca get this stuff easily, but...

    I don't know if you ca get this stuff easily, but try Zetolite 63. This is coper and zinc containing

    In the UK, it is sold by Murphy & Sons. I really don't know if you can get it in the states,...
  20. Of course your campden tablets may be a different...

    Of course your campden tablets may be a different size to the following - so you could adjust.

    Checked with Murphy & Sons - 1.75 grams per tablet with approx. 60% effective SO2 content. One...
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    The sulphury stench is infection growing on...

    The sulphury stench is infection growing on residual organic material left in the PHE. Simple as that. It needs cleaning properly. Start off back rinsing and then cleaning at 150%, or possibly...
  22. You don't say what you brew volume is, so simply...

    You don't say what you brew volume is, so simply stating half a campden tablet per tank isn't a lot of use. But it does sound low. Unfortunately how much you need to add does of course depend on...
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    Try only running the rakes during mashing in and...

    Try only running the rakes during mashing in and perhaps for a minute or so after all the malt is in. If you grist is right, you should then see the mash rise a few inches in the following couple of...
  24. According to one calculator I have, you can only...

    According to one calculator I have, you can only dissolve about 15 ppm oxygen at these gravities if you use both pure oxygen and have a constant atmosphere of pure oxygen (though to be fair, this...
  25. Most beers in can tend to be around 2.5 vol/vol...

    Most beers in can tend to be around 2.5 vol/vol (5.0 grams / litre). At much higher CO2 content, you risk having unpourable beer. If packaged at low CO2 levels, there is a greater risk of poor /...
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