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I think Katzke was refering to an all grain brew where 23L of hot wort is prepared and cooled before being put ontop of the yeast. The reason you can't put the yeast in first and you need to get your O.G. is that the Coopers kit requires addition of very hot water to the goo to disolve it. The...

Welcome to the hobby! You can do without the bottle tree (although you will find it useful). I've always had great success with bleaching equipement with unscented bleach at a rate of 4ml bleach to 1L or water for 20 min to sanitise. Rinse it off afterwards with boiled water. If you can get a...

Hey Ninja, I'm guessing at this point you probably know a few beers that you like, but probably don't really know what hop varieties you like. My suggestion would be to leave the tooheys goo in the back of the cupboard and do some recipies you were planing on doing anyway. Then latter on when...

Hi Gareth, its all a matter of how much loss your talking about. If it starts at around 68 and drops to around 64 after an hour thats probably fine. The truth is that you will make good beer over a range of temperatures of a few degrees, but unless everything is repetable you won't be able to...

Hmm, I didn't notice the diagram on the unit and just went of the paper, however I can tell you that I have used my Mashmaster to drive a kettle element of the 1800-2200 W variety for a number of brews and it hasn't blown up (yet ;-)). Having said that I would expect the unit to have a...

Did you try the rubish bin section of bunnings? or the laundry baskets? I got a 50L willow polyprop laundry basket at the big green warehouse (saw a similar one in my local farmer jacks grocery store the other day). I must warn you though, when I put the hole saw through the bottom to install...

1 Guest Lurker 2 Doogiechap 3 kukulkan 4 Mika 5 clay 6 Goat 7 Asher 8 Randyrob 9 Recharge 10 Ausdb 11 Sinkas 12 Vlad The Pale Aler 13 barfridge 14 brendanos 15 Roger Mellie 16 Malty Cultural 17 Mesa Woohoo! First case swap!

Wouldn't over oxygenation have similar effects to over pitching? I don't know much about it, but I've heard that if the yeast population is too high (and I presume over oxygenation would encourage reproduction), they will run out of sugars very abruptly during the ferment and all shutdown...

I've been using a slightly different siphon technique for going from kettle to fermenter. I use a standard piece of vinyl tubing (but I am using an immersion chiller first) I have a pump for inflating air beds and more importantly for deflating them. One end of the tube in the kettle on the...

Oh Man, BIABOAB sounds like a real challenge! What are you thinking for power? LPG? brewing with electricity while in dock? Batteries and wind generators? I've got vague dreams of one day using a Fresnel mirror to cut down on electricity requirements, but I wouldn't want to try it without backup...

Hey Pok, I haven't really played with power meters, but I can tell you that your kegerator fan will almost certainly use so little power that it won't register. At a guess I'd say it would use about 1/100th the power of your kegerator. It would probably take about 20 hours for your little fan to...

Thanks guys, I think I'm going to get a copy of Noonan's book. Since Palmer himself says its all about arm waving, perhaps I won't think too much more about it. -- Mesa.

Hi All, I've been becoming interested in my water chemistry and specifically my mash pH. I've got the 2008 water report for my area of sinkas, and I've got hold of Palmers spreadsheet for calculating additions etc. I plan to get some pH indicator before the next brew tomorrow arvo. I can...

Not quite an answer to your question, but I came across this yesterday: beer for Gastro prevention.

I used them in my old fridge controller (since moved to a mashmaster since my construction is so dodgy it eventually fell to pieces) They work well. If your reading them with a computer via ADC no problem. If you are using them in an analogue circuit you will probably want to use the offset pin...

Hey Mossy, I think the obvious answer is "your efficiency is not as high as you have it set in beersmith". I'd suggest, as a solution, you set your efficiency lower then alter the amount of grain so that beersmith predicts the same OG as the recipe called for. But that doesn't answer the real...

Hi OM39A, My first few extract brews were on a bucket of death using a $10 kettle element. I'd heard about the potential for wort scorching but dismissed it on the same grounds as you have (rolling boil should eliminate hot spots). Two different recipes turned out a very similar colour with a...

Hi Mark, Thermal conductivity goes up as the surface area of the pot increases and down as the thickness of the pot increases, hence the units are actually Wm/m^2/K which cancels to W/m/K, so you could take your conductivity multply by the area of the pot, divide by the thickness of the pot...

Sorry for the misunderstanding sathid, your absolutly right about the air in the bottle scenario.

Well moving fairly far afield from the original topic I thought I might comment a few points to this whole diffusion of gases discussion. CO2 and air will mix in a process called Brownian motion (technically I think Brownian motion refers to the molecules eratic course if you look at it closely...