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Thread: The simple knock box

  1. #1
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    The simple knock box

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    Hi everyone,

    Here's something people don't tend to talk about a lot so I may well be showing myself to be a simpleton posting this...

    A couple of questions, first... What do folk use for their knock boxes? And second...

    Let me explain...ATM I'm using one of those taboo things called a fully automatic coffee machine with OK results..It suits my purpose of first thing in the morning when I fall out of bed and stumble to the kitchen for my coffee and breaky then head off to work.. I just can't be bothered with much else before work...One of the good things about having this machine is you don't smell the used coffee pucks as it does a good job of capturing the pucks and the smells when the coffee is made...
    I'm currently in the throws of upgrading my espresso capabilities for my traditional lazy Sunday morning play with with coffee which may well be extended to making decent coffee every morning, but one of the concerns I have is the smell of the knock box...Has anyone thought about these concerns before? and...If you have, have you done anything about it and, what have you done to stop them apart from cleaning the knock box up straight away?

    Thoughts?

    Cheers.

  2. #2
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    Big Daddy I can say I honestly don't mind the aroma, what little there is. Then again have had a few broken noses.
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  3. #3
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    Hmmm...

    Never had an issue with aromas emanating from the trusty knock-box.
    We keep ours in a cupboard under the bench and empty it every couple of days.
    Lots of good ones to choose from at Coffee Parts; maybe have a chat with Pedro or Cilinia...
    https://www.coffeeparts.com.au/acces...knocking-tubes

    Mal.
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  4. #4
    Senior Member Jackster's Avatar
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    I use a empty yogurt container. My pucks pop out with a flick, no bashing required.
    Feed the pucks to the worm farm every couple of days.
    The yogurt container also serves as a vege scrap bin.
    When its grubby, i swap in a new one.

    Reuse is better than recycle
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  5. #5
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    Every day or two my Grindenstein (simple, bulletproof $30ish Oz made domestic knock box) gets emptied into the garden mulch. No smell worth noting. Considering one resident and one common visitor hate the taste and smell of coffee, their lack of complaints backs me up.
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  6. #6
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    Quote Originally Posted by bigdaddy View Post

    One of the good things about having this machine is you don't smell the used coffee pucks as it does a good job of capturing the pucks and the smells when the coffee is made...
    You speak as if a coffee aroma in the kitchen at breakfast time is a bad thing!?!
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  7. #7
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    Knock Box on bench top in middle of kitchen. Emptied a couple of times a week. Never any problems with smell.
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  8. #8
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    Quote Originally Posted by herzog View Post
    You speak as if a coffee aroma in the kitchen at breakfast time is a bad thing!?!
    No... Coffee aroma in the kitchen at breakfast time in the kitchen is a good thing..The smell of used pucks and old grinds is not IMO....Most people so far don't have any smell issues so I'll take that on board and yes the worm farm will get going again soon....Well, soon enough, after my other projects around the house I have lined are done....

    Cheers.
    Last edited by bigdaddy; 29th March 2018 at 03:42 PM.
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  9. #9
    Senior Member Yelta's Avatar
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    Odour from the knock box? nope, never a problem, I have a Grindenstein knock box, empty and wash it every other day.
    On the other hand I have a close friend who has a larger KB, it is only emptied when full to over flowing, the fungal growth after a few days has to be seen to be believed.

    I also suspect that attention to cleanliness is probably even more important in area's of high humidity.
    Last edited by Yelta; 30th March 2018 at 11:20 AM.
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  10. #10
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    Quote Originally Posted by TampIt View Post
    Every day or two my Grindenstein (simple, bulletproof $30ish Oz made domestic knock box) gets emptied into the garden mulch. No smell worth noting. Considering one resident and one common visitor hate the taste and smell of coffee, their lack of complaints backs me up.
    As Inspector Wu would say - two possibilities

    1. Resident and common visitor have olfactory problems
    or
    2. Both frightened of TampIT!

    Happy Easter TampIT.
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  11. #11
    Senior Member Erimus's Avatar
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    Being very short on counter space, mine just flick out straight out into the rubbish bin. I think Knock boxes are very expensive for what they are and I've got along nicely without one. If I had one it would have to be emptied and rinsed on a daily basis.
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  12. #12
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    Gordons, the observant and no doubt stickler for accuracy Inspector Wu would have noticed the Grindensteins are built in that famous Oz industrial area - China. Designed in Brisbane though. Happy Easter.
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  13. #13
    Senior Member Magic_Matt's Avatar
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    Quote Originally Posted by Yelta View Post
    Odour from the knock box? nope, never a problem, I have a Grindenstein knock box, empty and wash it every other day.
    On the other hand I have a close friend who has a larger KB, it is only emptied when full to over flowing, the fungal growth after a few days has to be seen to be believed.

    I also suspect that attention to cleanliness is probably even more important in area's of high humidity.
    +1

    I have a sunbeam 'bang bang', the last relic of my original kit. Holds a week's worth of pucks which in tassie and Canberra was never a problem but in Melbourne I'd sometimes find a bit of mould during humid spells. In Sydney however, the mould would be noticeable within a couple of days and if left longer the whole thing would be a solid mass of pink, orange and white mould emitting greenish clouds of spores when emptied.

    The inside is still stained and grows mould faster than previously, my solution is to line it with a sheet of paper towel which makes emptying and washing very quick and easy.
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  14. #14
    Senior Member Yelta's Avatar
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    Quote Originally Posted by Magic_Matt View Post
    +1

    I have a sunbeam 'bang bang', the last relic of my original kit. Holds a week's worth of pucks which in tassie and Canberra was never a problem but in Melbourne I'd sometimes find a bit of mould during humid spells. In Sydney however, the mould would be noticeable within a couple of days and if left longer the whole thing would be a solid mass of pink, orange and white mould emitting greenish clouds of spores when emptied.

    The inside is still stained and grows mould faster than previously, my solution is to line it with a sheet of paper towel which makes emptying and washing very quick and easy.
    Mould spores can be notoriously difficult to eliminate Matt, soaking the whole knock box in a strong bleach solution may well solve the problem.
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  15. #15
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    Clove oil kills mold.
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  16. #16
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    My Pucks container for my coffee machine just keeps filling up until the machine tells me to empty it, can't remember how long it sits there, maybe weekly...When I do empty it, it often has green and white spores in it...After disposing of the grinds I just rinse it all off so the container is clean then replace the container ready for another week...Rarely but occasionally I throw all the components of the machine into the dishwasher after thoroughly rinsing...They come up a treat...I haven't done it but Yelta's suggestion seems right to treat for for spores, sit in White King or the like for a while then thoroughly rinse with as hot water as possible, this helps the chlorine to gas off and let dry...

    Cheers.

  17. #17
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    For domestic usage you can always clear you knockbox after emptying it from your portafilter, and the puck from a good extraction actually doesn't smell bad if has much aroma at all from personal experience
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  18. #18
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    Quote Originally Posted by Jackster View Post
    Clove oil kills mold.
    Here is how it is done:
    Put teaspoon of 100% clove oil into a litre of water in a spray bottle. Spray onto the mouldy areas (patch test first to make sure it doesn't damage the surface) then leave for a few hours. Wipe off with a wet cloth to remove the mould (sometimes, it may need a scrub with a brush to get rid of stubborn mould).

    Know it works as recently came back from holiday. We had turned off and emptied the fridge but with all the rain we had been having the bins in the door were covered in mold. Cleaned it up and has not re-occurred. By the way, all bleach does is remove the colour from the spores, the mold remains . Vinegar can also work, sometimes.
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  19. #19
    Senior Member Yelta's Avatar
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    Guess living in a dry inland area has it's advantages at times, mould is a problem we simply don't see.
    Disregard my musings re bleach, there are obviously better ways.
    Last edited by Yelta; 30th March 2018 at 10:20 PM. Reason: correction.
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  20. #20
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    Behmor Brazen - $249 - Free Freight
    No need to disregard your bleach suggestions Yelta, it works around the kitchen...Yeah peroxide is better and so is clove oil...Not to say WhiteKing doesn't work it's just a bit aggressive...That's all...

    Cheers.



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