How to Steam Milk with Modified Gaggia Classic Pro

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PID Mod process video: • Ultimate PID Gaggia Cl...
Process:
I’m using a seasonal espresso blend which consists of Brazilian beans and El Salvador. It has caramel and nutty aftertaste with a hint of chocolate.
I weighed 16grams of beans and pour it into my grinder. I’m using Eureka Specialita Touch grinder with settings dialled to 1.5 or close to 1.
Here’s a little bit about my machine. I recently modified my Gaggia classic pro with a PID, a 9bar pressure valve, a brass shower head and IMG precision shower screen. You can find the videos in the description or in the corner of this video. I set my brew temperature to 100 Celsius so I’m getting around 93-95 Celsius on the group head.
I used full cream fresh milk from our local milk supplier. Once the steam switch is turned on, I then wait for temperature to rise to almost 150-160 c. This ensures that the pressure inside the boiler is strong enough to steam my jug of milk. If you don’t have enough steam, halfway through it might not have enough pressure to spin the milk into a vortex.
I placed my steam wand just right above the milk surface. Twist the knob to almost full to get enough steam pressure. Carefully watch for the hissing sound for a short while and then dip the steam wand slightly into the milk causing it to spin into a vortex. As the jug is hot to the touch, it’s time to turn it off else you will cause the milk to burnt.
I then pour into my espresso and this time, I’m pouring stacked tulips. Hope you enjoyed the process and I hope my explanatory is clear enough for you to explore and try it with your machine at home. Thank you!

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Опубликовано:

3 авг 2024

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Комментарии : 21

@hashimbk 2 года назад

Great video, well done. I enjoyed every second

@EweJinTee Год назад

Thank you!

@leifamily942 Год назад

Thank you for the very helpful tips! Does the PID mod control both brew & steam (2 thermostats)? Or just the brew (thermostat on boiler)? Do you feel it's necessary to have PID control on steam? Thank you again!

@EweJinTee Год назад

No problem mate. Happy to know my video does it's job. I wouldn't say it's necessary but it's good to have. I'm trying to mod the PID to control both brew and steam now so trying to get the video out soon :P

@benedekvarga9133 2 года назад

Thanks this great video. How much milk Do you Use? And how large is this milk pitcher?

@EweJinTee 2 года назад

Hey! I'm using Rattleware 300ml pitcher and I filled it to about 170-180ml of milk? Usually I don't finish pouring the milk, there will be some leftovers.

@leoher5338 2 года назад

Great video as well as the other's I've watched About the gaggia. Noob question, if you use your setup of one relay, how are you controlling the steam temp?

@EweJinTee 2 года назад

Thank you! Good question but I'm not too sure about it. I would assume that the steam temp is being controlled with the current settings without a relay. I still get good steam temperatures but with the help of the PID, I know what's happening in the boiler so when is a good time to start steaming. The steam temperature will drop once it hits around 160C down to 100C and then build up again. This is where I'm considering to add another relay to control that because I don't want the steam temp to drop that far off. Probably would like it to surf between 160-150C range and it's very good to produce enough steam for a small jug of milk.

@leoher5338 2 года назад

@@EweJinTee I understand. Thanks for the explanation. So, basically with only one relay you'll still be able to use the stem function as usual, but with the addition of being able to actually see at which temperature the boiler is. If I go for the one relay option, this will at least take out tge nned for counting seconds to avoid the water heater to turn off. Thanks again.

@EweJinTee Год назад

@@leoher5338 You're welcome! Hope everything goes well for you! Cheers!

@erodaven 2 года назад

Great video, very usefull, just a question: How much time do you inject air to the milk? I mean, the duration of the hissing sound step. Thanks!

@EweJinTee 2 года назад

Thank you! I would try to aim around the first 10-12seconds. Just making sure it's not "burbling" too much else you will get huge bubbles. The key here is to want the "Micro" foam. Good luck!

@erodaven 2 года назад

@@EweJinTee thanks! Another question, in the video seems you open the stream knob just a little, right? Or do you open it completely? Because you did it really fast. At least in my case took me several laps open it fully.

@EweJinTee 2 года назад

@@erodaven After turning it a few rounds (2+ rounds in my case), the steam pressure is already releasing at it's maximum. There is no point in turning until the end because it will just be the same flow. Gaggia's tank is relatively small so after a short while, the steam pressure will drop significantly. When you have the PID you can monitor the temp once the Steam switch is turned on. Temp will rise up to 160C and that's the ideal temp to start steaming the milk. Once it drops below 100C during steaming, that's a sign that the steam pressure has dropped.

@joconnell 2 года назад

@erick not a gaggia user but I’ve spent a lot of time foaming milk at home. In terms of duration, that’d also be tied in to where the steam wand tip is positioned and how open the steam wand valve is so time is only a third of the equation. What’s also a good cue for how long you should add air for is how much it’s expanded - for latte art you want the level of your milk to be 20 or 30% higher than before you foamed to know you’ve enough air in to make patterns, with more fine delicate patterns needing thinner, less airy milk and bolder patterns needing a bit more! Best of luck!

@geeser1000 Год назад

what size cup did you use for the latte?

@EweJinTee Год назад

I'm using 8oz cups for these. About 30ml of espresso and milk up to the brim.

@wheniroam8333 Год назад

Do you have the one hole tip or the OEM?

@EweJinTee Год назад

I just use the original steam wand tip that came with the Gaggia. Haven't explored other steam wand tips yet :)

@CH-yp5by 2 года назад

Your tamping technique is not good because you put the spouts on the table and the issue here is over time you will damaged the split ring that is between the spout connection and main thread of the portafilter and then it will start to leak. You need to use the edge of the table and your rubber matt which has been designed for this as it goes over the edge.

@EweJinTee 2 года назад

Thanks for the feedback. Totally understand where you're coming from but I guess the chance of the thread in the portafilter to damage is quite low as I only make coffee once a day. Yes, it might get damaged over time but I'm honestly not too worried about that. :)