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You ferment under pressure then?, otherwise i would think the co2 in the beer would be minimal as it all escapes.

What makes the foam become CO2?, i would think its just beer and oxygen, or do you first let it re-ferment and then open it again?

Well yeast do also ferment complex sugars, but to a lower extent, unless you have a Diastatic yeast? But why not just test it an do 3 ferments at the same time, it is the only way to really know?

No it will taste different, you will get more or less complex sugars which are harder for yeast to ferment, so you can get a beer that taste sweeter or dryer.

Its just Brew In a Bag, not Boil in a Bag. and since mashing is part of brewing it seems correct to me.

Here i just rinse them after drinking and on bottle day put them in the bottle cleaner with OXI and rise again, never had an infection.

You could also go for a brett instead of lactos, in my opinion that a lot nicer!

Ah there is an offset you can set per sensor, either in degrees or relative, but you will have to compare and set it manually, there is no automatic process for that.

I presume you mean some kind of auto PID calibration?, we don't have that atm but it is something that could indeed be useful, PID is quite complex to configure correctly, but creating a good auto PID is also a challenge. Good idea, i see you also created a github discussion/idea 👍 so if it it...

If you go that high its not really a dubbel anymore, its either a quad or just strong trapist style dark beer. Not that it matters, its more fun to experiment then to follow exact styles, but if you call it a dubble some people might start harassing you :D

I would just use pilsner malt and a little bit of dark chocolate malt, and just use dark candy sugar, no need for expensive D-180 sirop or specialty malts. Also you should actually taste these not to cold, about 8-10°C. What is even better then a double is a more heavy Belgian Trappist beer...

It uses the language configured in the browser, atm there is no option to overwrite that.

I never had that error, but if i search for it, it seems an issue with the esp http server, did your web interface file (index.html.gz) got bigger? From what i read setting CONFIG_HTTPD_MAX_REQ_HDR_LEN=1024 in sdkconfig could fix it.

Correct, by default its in 60s cycles but that time is configurable, you do not have to use a relay, it can just as well be a SSR, but atm there is no PWM support, i also don't see much benefit for it, it would probably just wear out your SSR faster, water heating is a slow process so no need...

You can set it manual by just disabling AP mode and setting SSID and password , you could also try to decrease the power it might help, i heard some boards have issue at max power setting. It depdens on the browser, in linux you have to install some extra packages to enable it, try googling...

I am afraid ESP8266 isn't supported, atm only ESP32 is supported, ESP8266 is quite old and doesn't support the ESP-IDF framework so i am afraid it will never be supported.

Yeah an esp8266 is pretty much deprecated, not enough memory to do any fancy stuff., but, it seems its attached via headers, maby worth checking out if there are esp32 modules that are pin compatible?

Is that an esp32 on the board?, in that case you could just use my firmware as a replacement -> esp-brew-engine Or you could just use any other esp board.

You could fill it with water containing sulfite and citric acid , have a look at -> https://www.milkthefunk.com/wiki/Barrel#Cleaning

Time for an x-mas update! 1.6.0 New Features - Boost Mode (skips PID in initial heating to speedup and decrease overshoot). Fixes - Output was accidentally removed from Gui.