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Old 06-06-2011, 03:04 PM   #11
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I dump or 'waste' the first 5 gallons or so when the output water is extremely hot. This gets used as cleaning water, added to the washing machine, or let sit to cool down to be used to water the garden.
Yup, there are lots of ways to conserve water other than simply using less to chill. Especially if you're brewing multiple batches per day and can use the hot chiller runoff as strike liquor for the next batch.

Your ice idea will work though, but you may be thinking it will require less ice than it actually does. You'd need about 0.75 lb of ice per pound of wort to get to ale pitching temps - about 33 lb for a 5 gal batch.
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Old 06-06-2011, 03:09 PM   #12
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I use a 20 gallon picnic tub, fill it with 20-30# of ice (depending on batch size), and use a cheapo aquarium pump. The first ~5 gallons goes into my HLT for cleaning, etc., and from there on I recirculate. Using that in combination with a march pump/whirlpool arm, I got 11 gallons of kolsch down to ~60f in about 20 minutes.

Yeah, the ice costs 10 or 15 bucks each brewday, but I brew at night after my son is in bed, so the 30 minutes of sleep I get back is worth it to me.

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Old 06-06-2011, 03:24 PM   #13
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Yup, there are lots of ways to conserve water other than simply using less to chill. Especially if you're brewing multiple batches per day and can use the hot chiller runoff as strike liquor for the next batch.

Your ice idea will work though, but you may be thinking it will require less ice than it actually does. You'd need about 0.75 lb of ice per pound of wort to get to ale pitching temps - about 33 lb for a 5 gal batch.
Is this estimate going from 212 to 70 or 110ish to 70? Because I know for a fact that I can get to 70 from 110 with less than 10 lbs of ice. Thats why I 'waste' the runoff from the tap for about 15 minutes before switching to the ice water. If I didnt do that, the ice would be melted really quickly.
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Old 06-06-2011, 05:15 PM   #14
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Over the winter I did a recic using snow insted of ice. I used 5 gal of water,plies got rid of some snow! In the summer I don't worry about it because I pay a flat rate for water. During the spring and fall I use milk jugs full of ice that I keep in the freezer anyway (I only use 2 shelves in my deep freeze, they work better with less air space)

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Old 06-06-2011, 05:59 PM   #15
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Just need to make yourself one of these.

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Old 06-06-2011, 06:35 PM   #16
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Just need to make yourself one of these.
That is sweet!! I happen to have that AC Unit too, its in the master bedroom. How pissed would SWMBO be if she came home to a hot bedroom and I had that thing ripped apart downstairs in the garage?!?!

Ehhh we lost the remote a long time ago anyways, I'd rather keep it cool in the bedroom as opposed to COLD in the bedroom if you know what I mean!
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Old 06-06-2011, 06:39 PM   #17
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Just need to make yourself one of these.
I saw this a while back and have been thinking it may be my next project. I got an ac unit that I was going to use for my ferm chamber before I ended up getting a chest freezer instead.

Currently I use tap water to cool to 110-120 then recirculate through ice water to bring it down to 70.

The tap water I collect and cool to water my garden.
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Old 06-06-2011, 06:44 PM   #18
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I also just hook up the outflow to a cheap sprinkler to water the lawn. Gotta water the lawn anyway.

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Old 06-06-2011, 06:48 PM   #19
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Same here. I pour the used water into my rain-barrel, part of which waters my hops.

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Old 06-07-2011, 01:11 AM   #20
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mine goes to the washing machine and then out to water the day lilies

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