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08-15-2016, 11:21 AM
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#1
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Senior Member
Name: Tom
Trailer: Outfitter truck campper
Colorado
Posts: 136
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So, how do you make block ice?
Apologies if this has been discussed. I searched and couldn't find it. Anyway, I would like to make my own block ice at home for the cooler on the road. I thought a block the size of a 1/2 gallon milk container would be about right, so I filled one with water a few inches short of the top and screwed the cap on. Sure'nuf...split the side of the carton. Should I have left the cap off until frozen? Or, is there an ideal container that won't split when frozen which will still prove leak-proof as it thaws?
Much thanks for your solutions!
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08-15-2016, 11:32 AM
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#2
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Senior Member
Trailer: Trails West Campster 1970
Posts: 3,366
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I have used squarish water bottles that hold a gallon or two and frozen them full from the store. They work well. Then they have good water and after thawing we can use them as drinking water. I've never had a plastic water bottle (the disposable kind) break on freezing.
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08-15-2016, 11:36 AM
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#3
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Senior Member
Trailer: 13 ft Scamp
Posts: 1,773
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We freeze those gal jugs all the time
Just leave cap off
Sent from my iPhone using Fiberglass RV
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08-15-2016, 11:36 AM
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#4
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Senior Member
Trailer: 92 16 ft Scamp
Posts: 11,756
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Been there done that. Not all milk cartons are created equal. I have used milk cartons a lot over the years to make ice blocks and yup have had a few split but have had a fairly high success rate as well.
I tend to use only the ones made of a fairly heavy plastic and only fill about an inch below where the carton starts to narrow. Some of the large plastic jugs that juice products come in tend to be made of heavier plastic as well.
Leaving the lid off while it freezes may help as well.
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08-15-2016, 11:46 AM
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#5
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Senior Member
Name: Gordon
Trailer: Casita Independence "Callimachusita"
Ocean City, NJ
Posts: 100
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I use my pasta pot and my pressure cooker.
__________________
Gordon and Anne
2010 Suzuki Equator "Suzi Q"
2015 Casita Independence "Callimachusita"
Pod Puppies: Josie and Frankie, Casita Kittens: Madison & Razzel & Mrs. Chow
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08-15-2016, 12:00 PM
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#6
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Senior Member
Name: Francois
Trailer: Bigfoot
British Columbia
Posts: 1,163
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water....
water is said to expand 10% when frozen....fill accordingly....(I freeze 2L orange juice containers all the time, always with caps on and on their side with no problems)
some plastics are more brittle than others...and freezing would make them more brittle still.....experiment with different plastics
I used to freeze a large "block size" containers of water....takes freezer space and time...nuttin' to it
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08-15-2016, 02:27 PM
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#7
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Member
Name: Jeff
Trailer: 2018 Casita SD 17'
Michigan
Posts: 47
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You could always make your own PVC ice packs. Spend Less with DIY Reusable Ice Packs for Coolers
I was thinking you could keep them from rolling by laying the finished product on a belt sander to flatten one side.
__________________
IBUPNORTH
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08-15-2016, 03:40 PM
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#8
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Senior Member
Name: Carl
Trailer: 2015 Escape 5.0TA
Florida
Posts: 1,694
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I have found the gallon jugs which Arizona tea comes in is s much more rugged material than a typical 1 gallon milk jug. But I also have a wide mouth gallon jug I bought at the Dollar Store or Dollar General which can easily be refilled with ice cubes.
Sent from my iPhone using Fiberglass RV
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What a long strange trip it’s been!
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08-16-2016, 08:58 AM
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#9
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Senior Member
Name: Walter
Trailer: 2017 Escape 17B
SW Virginia
Posts: 2,255
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I've always used the 1/2 gal milk jugs with good results. I think they're an ideal size. I don't leave the cap off but do leave a good gap at the top. Looks like you just had bad luck and should try again.
Walt
__________________
Past owner of 1995 13' Casita, 1994 16' Casita, 2012 Parkliner, 2002 17' Bigfoot.
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08-16-2016, 09:16 AM
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#10
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Senior Member
Name: John
Trailer: 2000 16ft Scamp
Minnesota
Posts: 189
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I use the Arizona tea bottles as well. They are a little thicker than milk jugs. The square shape saves space in the cooler too. When they melt I just add a couple of the cold brew ice tea bags. Double duty.
John
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The earth without art is just eh....
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08-16-2016, 09:42 AM
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#11
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Senior Member
Trailer: 2004 13 ft Scamp Custom Deluxe
Posts: 8,520
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We use those Great Value 67 oz juice bottles. Freeze them 90% full with a loose lid and they stay nice and square for stacking or lining the fridge or cooler. They last an amazingly long time.
You can fill them with home water , tea, lemonade, etc. to provide nice cold drinks as they thaw.
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08-16-2016, 05:41 PM
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#12
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Senior Member
Name: Kathleen (Kai: ai as in wait)
Trailer: Amerigo FG-16 1973 "Peanut"
Greater Seattle Metropolitan Area, Washington
Posts: 2,566
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Try ordinary 2-liter soda pop bottles...they don't hold ANY milkfats in the plastic (since none has ever been in there) and are designed to withstand PRESSURE.
As a fun way to empty them in the first place, take the top off a full one and drop the full bottle on the floor. The pop will effervesce and shoot out the nozzle, sending the bottle zooming across the room. It's hilarious (to a 5-year old) and certainly interesting. You'll see for yourself how strong those bottles are.
We take ALL our drinking water with us in pop bottles...reused many, many times.
FEMA suggests NOT using milk cartons for drinking water. BUT here on FGRV there was a discussion of what to do to make sure the retained milkfats don't go rancid inside your bottle--don't remember what it was, but it was fairly easy and cheap.
Meanwhile, I agree, try freezing another bottle of water again, this time leaving more room at the upper end.
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08-16-2016, 06:09 PM
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#13
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Senior Member
Name: Tom
Trailer: Outfitter truck campper
Colorado
Posts: 136
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Thanks for all the good ideas. Last night I did try a number of them, with success! Tonight trying the Glad/Ziplock screw-top pint and quart containers. These are those disposable ones and would be a good fit in my smaller cooler.
On a related note...is there any harm done by storing these ice containers in the fridge (Dometic 1.9 3way) in between being transferred to my cooler which I will use for day trips? I can't find it, but I could swear I read somewhere that you shouldn't put block ice in the fridge. Any particular reason this wouldn't work?
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08-16-2016, 07:31 PM
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#14
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Junior Member
Name: Bill
Trailer: Trillium 1300
British Columbia
Posts: 27
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I am an avid mtn biker and over the years I have managed to collect a few hydraton bladders from old packs (3L) which make fantastic ice blocks for my cooler.
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08-16-2016, 08:58 PM
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#15
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Senior Member
Trailer: Oliver
Posts: 713
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Quote:
Originally Posted by TomandCallie
...On a related note...is there any harm done by storing these ice containers in the fridge (Dometic 1.9 3way) in between being transferred to my cooler which I will use for day trips? I can't find it, but I could swear I read somewhere that you shouldn't put block ice in the fridge. Any particular reason this wouldn't work?
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Weight???
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2008 Outlaw Oliver Legacy Elite & 2014 Outlaw Oliver Legacy Elite II
2022 Silverado High Country 3500HD Diesel 4x4
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08-16-2016, 09:22 PM
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#16
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Senior Member
Trailer: Escape 17 ft
Posts: 8,317
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Block ice in the plastic bag it comes in will leak as it melts.
Put it in a container to contain melt water.
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What happens to the hole when the cheese is gone?
- Bertolt Brecht
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08-17-2016, 10:21 AM
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#17
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Senior Member
Trailer: 92 16 ft Scamp
Posts: 11,756
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Quote:
Originally Posted by TomandCallie
On a related note...is there any harm done by storing these ice containers in the fridge (Dometic 1.9 3way) in between being transferred to my cooler which I will use for day trips? I can't find it, but I could swear I read somewhere that you shouldn't put block ice in the fridge. Any particular reason this wouldn't work?
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If your talking about the frozen DIY milk jugs (to contain the water as they melt) there is no reason. Thats how I kept my Scamps old 3 way fridge cool while traveling for years.
Just do not put them in the door holders as the old small fridges do not do well with to much weight on the door - I used smaller freezer packs or small frozen water bottle beside dairy products etc that where stored on the door.
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08-17-2016, 10:39 AM
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#18
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Senior Member
Name: Lyle
Trailer: Scamp 16, previously Scamp 13
None
Posts: 739
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All good suggestions. I like to pre-freeze the cooler itself, as well. Open the lid and place the entire cooler into the freezer for 5-10 hours. Easy to do if your cooler is small enough and your freezer is big enough. Could place already frozen items inside the cooler if space is at a premium. I find this helps a little in the initial phases.
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08-17-2016, 03:13 PM
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#19
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Senior Member
Name: Kathleen (Kai: ai as in wait)
Trailer: Amerigo FG-16 1973 "Peanut"
Greater Seattle Metropolitan Area, Washington
Posts: 2,566
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Quote:
Originally Posted by TomandCallie
Thanks for all the good ideas. Last night I did try a number of them, with success! Tonight trying the Glad/Ziplock screw-top pint and quart containers. These are those disposable ones and would be a good fit in my smaller cooler.
On a related note...is there any harm done by storing these ice containers in the fridge (Dometic 1.9 3way) in between being transferred to my cooler which I will use for day trips? I can't find it, but I could swear I read somewhere that you shouldn't put block ice in the fridge. Any particular reason this wouldn't work?
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I'd say no, go ahead, but it hit me, maybe they meant block ice that wasn't in a container of some kind, in which case as it melted, it would leak all over the place and probably out the front edge of the fridge--or you'd have a flood when you opened the door. INSIDE your container of choice, shouldn't be a problem at all.
But someone may know better, and I'm all ears! YMMV
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