Search found 40 matches

by kwongheng
April 8th, 2019, 9:37 pm
Forum: Espresso Machines
Replies: 2
Views: 446

Expobar brew pressure gauge swinging wildly

Thanks for the reply, anyway I have contacted technical support and see what they say
by kwongheng
April 8th, 2019, 3:55 am
Forum: Espresso Machines
Replies: 2
Views: 446

Expobar brew pressure gauge swinging wildly

Hi all, I noticed this recently on my brew pressure gauge when it comes up to pressure (when brewing or with blind filter), it will be swinging wildly. Do we know what could be wrong and how to fix it? Here is the video of the "issue"{video}Regards Kelvin Wong
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by kwongheng
August 7th, 2018, 9:41 am
Forum: Grinders
Replies: 3
Views: 3870

Mazzer ZM burrs vs EK43 burrs

Hi there, I am considering getting the EK43S for both espresso and filters, is that something doable? My understanding is that EK43 do well for both specialty coffee beans in both espresso and filter ranges. My question is then why is the Mazzer ZM burrs only comes in espresso or filter burr sets? W...
by kwongheng
May 1st, 2018, 1:48 am
Forum: Knockbox
Replies: 18
Views: 924

Is there such thing as ethical milk production?

Hi all, Many thanks for the perspective. Sorry, I posted it and totally forgot about this post until today! Yeah, I am from Singapore, and we obviously don't have farms here and all our milk comes from supermarkets although there are more and more better quality milk available now, but they are not ...
by kwongheng
February 19th, 2018, 9:42 am
Forum: Knockbox
Replies: 18
Views: 924

Is there such thing as ethical milk production?

Hi, First off I am not trolling. This is a question that I have been trying to find since I got to know how milk production works. To produce milk, the cow has to have given birth to a calf and taken away and to keep the cow from producing milk for a long time, I believe hormones or
by kwongheng
January 23rd, 2018, 12:36 am
Forum: Coffee Brewing
Replies: 10
Views: 7707

Baratza Sette 30 AP for pourover

I have sinced moved on to a Commandante C40 and loving it! Sold my Sette 30 AP at half price and sent my Preciso for repairs. Apparent the motor is worn out.. after 1 year?? I will keep the preciso as spare and for cold brews of old beans
by kwongheng
January 3rd, 2018, 11:15 pm
Forum: Coffee Brewing
Replies: 11
Views: 327

Water in or water out for TDS/extraction calculation

Whoah, I didn't konw immersion is so complicated. Do you have a link as to why its calculated like that? So for immersion we are talking about aeropress and french press? So the ratio is always dry beans vs brew water total. So for 280 g and 15 g beans the ratio is 18.67 and not 250 (water out)/15
by kwongheng
January 3rd, 2018, 7:41 pm
Forum: Coffee Brewing
Replies: 11
Views: 327

Water in or water out for TDS/extraction calculation

Thanks for the clarification. In that case would the Water to bean ratio should also be water out/bean? So if I use 280 g to 15 g beans but water out is 250 g. The ratio would be 250/15? [Sorry for the bad typing.. hate it with self correct on the phones!]
by kwongheng
January 3rd, 2018, 1:20 am
Forum: Coffee Brewing
Replies: 11
Views: 327

Water in or water out for TDS/extraction calculation

Sorry if this has been discussed. We know that extraction% is a function of TDS. That is Water/grams of bean * TDS = extraction% For pourover, would water be the amount of water we put in or the amount of water the comes out? Obviously the extraction% would be very different
by kwongheng
December 26th, 2017, 3:26 am
Forum: Coffee Brewing
Replies: 10
Views: 7707

Baratza Sette 30 AP for pourover

Thanks for the reply, I thought of going Virtuoso. However, my brand new Preciso broke 3 times within 1.5 years, even though I follow the instructions to gind and adjus! The plastic parts really weak, which is why I was not looking at Virtuoso since it was effective a Preciso without macro adjustmen...