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RESULTS ARE IN!!! AND I didn't win. Who's got the recipe for that "Coconut Rough Dark Brown Ale" ? Must admit, it sounds really delicious.

What about when SWMBO has a higher score than you :blink:

When you say "relay" do you mean solenoid-type relay with an electric-coil? When these switch-back, they can produce a bit of back-EMF to the circuit. There's a few ways to fix this. I thought it was always diodes, but some of these links suggest other parts too...

The decoction does destroy the enzymes in the section boiled, but typically there's more than enough left in the mash to carry on. If your decoction was 100% of your mash, it would be mash over.

I agree. I found an article the other day that suggested re-hydrating at much less than 40C resulted in a significant die-off of yeast. Ah-ha, found it: http://www.hbd.org/hbd/archive/3301.html#3301-4 TL;DR - Rehydrate a packet of yeast in 100ml of water at 40C Rehydrating at the...

Subitted our entries yesterday arvo' I stupidly parked near Central Station. The walk wasn't far, but when you're carrying a box of beer and having to go around mopers ambling along, fixated on their phones, it seemed a lot further than it was. Staves is in a minor road that runs parallel to...

It's not difficult. If you want to make a start, get a beginner's Arduino kit (like the "Freetronics" one available online and from Jaycar), or roll your own with cheap parts from ebay/aliexpress. Read some online tutorials, build something...

I just want to add this, possibly unhelpful, remark: If using O2 makes a tremendous difference to your beer (and it did mine), then one conclusion is that you were probably not aerating so well before O2. Sure sure, some yeasts want more oxygen than you can get with air alone, but I think the...

Yes, what mofox1 said. This would be running a 20 amp element on a 10 amp circuit. Do NOT DO THIS. Get an electrician to install a standards-compliant circuit for whatever current-draw and distance needed. (Then you don't have to worry about burning your house down.)

My favourite is when you look down, and the screw out of the terminal block has disappeared! :o

Absolutely. For all intents and purposes, and Uno is the same as a Nano. It does need to be the version with 2k RAM and 32k of ROM[1] though. Some older Uno's are based on different (lower spec) CPU systems with less ROM. [1] It's not really ROM, since one can store a program in it. But once...

Off by how much? Various sources cite either 3% or 10% accuracy. How are you watching for the "ticks" (pulses) from the sensor? Could you be missing some of them? Do you use rPi interrupts for detection? (As opposed to simply polling the state of the pin). Have you tried using an rPi...

Another aspect of the DS18B20s is that they take about 1.5 seconds (IIRC) to do the full-precision read too. So if you need fast iterations you have to work something out. I guess temperature in a Hx/Pot isn't going to change much over a second.

There's not really anything much to tell currently... I'm still using my box. The updated PID parameters seem to be working well. My little power supply failed the other day, I just swapped in a new one (I always buy a couple since they're so cheap). This is the first time I've had one fail...

Hmm, that's a really good idea. I already lubed mine up a-plenty. But I'd missed the fermentation boat by then, all the gas had escaped, and now it's basically failing to re-pressureise with the screw wound all the way in. I suspect it's because fermentation is finished, but I had it...

What are the thread types on the KK spundie ? I want to DIY a computer-controlled spunding valve, be nice if I could just "jack in" to the end of the KK pipe. Just looking at solenoid valves now.

As far as I read, the beer is not completely carbonated. I think I read something that said to leave it on the CO2 as per normal, but for a shorter time. And that's what I did.

I recently (November) got the 70:30 mix from speedgas in Newcastle (Bennets Green, up behind the Harvey Norman, at the back of the industrial area). I'm very happy with the service. Prices were the same as what Moad specifies. I talked to someone on the phone at Speedgas (Sydney), and they...

There's also the homebrew shop at Wadalba (north of Wyong) usually overnight service, and Duane's at Toukey who can both fill and swap.

What book/paper is that from Mark? Basically this tells me, that at anything above 5oC and normal air-pressure, it's impossible to over oxygenate wort. Perhaps it's a bit high in the very short term, but then anything excess should be soon out the airlock. One less thing I have to be totally...