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  1. Grok

    Pressurised fermentation/spunding in a Type A keg

    Hi Saxman, hope your aware this a 10 year old post, but as it happens I have one of these WW units, and a very nice bit of kit they are too! You need to back off your PRV to the desired pressure. I found about 15~20psi is about right at approx 20 degrees C for Ale fermenting. Wobbly said 1.5bar...
  2. Grok

    Mill Motors

    Well, my little old 2 roller has an 8mm shaft, it was fairly long and had a flat on it for a supplied crank handle, I cut that and shortened it to suit direct coupling to the 90w geared motor with a 10mm shaft, so my set up is 10mm coupled to 8mm. The coupling is a 2 jaw alloy cheapy, but it...
  3. Grok

    Ice Bank Chiller - What hose size should I be using

    Right, well there should be a return inlet for the chilled water somewhere, and it depends what the set up is in the font is what you have to work with, probably have to reduce the diameter down, or maybe a bi-pass arrangement that circulates a percentage straight back to the tank. It won't...
  4. Grok

    Ice Bank Chiller - What hose size should I be using

    OK, it looks like you have a 4 coil or 4 independent product lines of beer chiller coils there, plus a chilled water pump outlet that can go to the flooded font, and then returns back to the reservoir via (from what I can see) is the larger pipe in the foreground. If you don't use a flooded...
  5. Grok

    KegLand Questions and Answers

    Fair enough, but are you going to do it.....?
  6. Grok

    KegLand Questions and Answers

    What do you think approximate price might be if you offer the dish based Digiboil, and could the 100L version be possible as well? For instance, I use a Rasberry Pi Craft Brewer controller set up, so I actually don't want the controller side of things, maybe leave the pump in place, but a bare...
  7. Grok

    GUTEN

    You may be able to stave off a melt down of these cheap ssrs by having a good heat sink with fan. If I had to use one, I would mount a cpu type fan on the side blowing across the 2 vanes of that type of heat sink, or use an old cpu heat sink and fan already mounted, or of course just buy a...
  8. Grok

    Motion Dynamics Mill Motor Wiring

    Thats all fair enough, but I think what the calculations also need to take into account is the roller diameter and width. I actually have a 90w motor kk kit driving a standard 2 roller mill with only 1 roller driving and other is passive and it handles the load fine, but I see from the...
  9. Grok

    KegLand Questions and Answers

    Yes, and what about a 100L centre drain digiboil too!
  10. Grok

    Motion Dynamics Mill Motor Wiring

    I can vouch for the KK kit, it does the job just fine, plenty of grunt, only thing I had to do was scratch up the surface of the shafts a bit with a file for the spider coupling clamps to grip better, been powering along for a few years with no problems, good value I reckon!
  11. Grok

    Commercial Glass Inquiry - Seeking Expert Opinions

    Sounds like your talking about glass window shop fronts, not drinking glasses?
  12. Grok

    Troublesome Ball lock fittings

    Sounds like fun....🤣
  13. Grok

    Oxebar & PET Sanitation Procedures

    Sounds way to complicated and yes I think your over thinking it! Firstly lets clear up something sanitising and sterilizing are 2 different things. Sterilizing nukes everything, sanitising kills a fair percentage of bugs, generally enough for beer making hardware. Those phosphoric acid based...
  14. Grok

    First Brew Fail... I think, help needed!

    Yep, you can control how active the yeast is by good temp control of your fermenter, you don't want a 24hr frenzy and then the party is over, try to aim for about 2~3 days of regular "popping' , then slowing down by the 4th day (for Ale). As it gets slow, raise the temp a few degrees for a few...
  15. Grok

    First Brew Fail... I think, help needed!

    You don't want to purge Oxygen before fermenting, only after fermenting! Yeast likes o2 for the first part of its life cycle, and I wouldn't pre pressure the tank, let it build up on its own time. I pressure ferment all the time, or more so do a hybrid, very light pressure (1~3psi) for a day or...
  16. Grok

    MillMaster v MaltZilla Mills

    Well I've used mine heaps and no sign of wearing, I think if you take particular care to align the 2 shafts (before mounting the coupling) as best you can by sight and something short enough with a straight edge checking X and Y axis, then the coupling has very little movement, therefore less...
  17. Grok

    MillMaster v MaltZilla Mills

    LRAT, maybe you are unaware that the KK mill motor is a kit, with motor (with reduction gearbox attached), direct spider coupling drive and switch box. Everything you need for direct drive with less moving parts, unguarded pulleys and belt arrangement plus side force on the drive shaft from the...
  18. Grok

    MillMaster v MaltZilla Mills

    I can vouch for the Keg King 90w Induction milling motor kit, it works very well, plenty of power at a constant 180 RPM, perfect!
  19. Grok

    CO2 Bottle In The Fridge?

    There is no need to put CO2 bottle in your fridge.
  20. Grok

    Keg King XL Outside?

    If the kegerator is not built for hot environments, makes you wonder why it is being sold in Australia! I would go for a converted fridge that is built to cope with Queensland temps. Have a look around and ask people which fridges have no problems keeping food cold in your location. The sort of...
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