Cutting glass bottles to make cloches

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Cutting glass bottles to make cloches
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cab

Joined: 01 Nov 2004
Posts: 32429

Posted: Wed Mar 29, 06 11:33 am Post subject:
I'm almost weeping at the thought of demi jons ending up thus ruined. No such thing as a stain on glass that you can't get off. I'm going to try Sarahs method with some other bottles, it sounds like a great idea.

sally_in_wales
Downsizer Moderator

Joined: 06 Mar 2005
Posts: 20809
Location: sunny wales

Posted: Wed Mar 29, 06 12:14 pm Post subject:

[quote="Sarah D"]
Take one demi-john, and decide where yu want the cut to be. Put the demi-john into a sink, put in the plug and run cold water in, up to that line where you want the cut to be. Take a funnel, put into the neck of the demi-john, and pour boiling water in, carefully. Where the boiling water meets the cold on the outside, the jar will crack fairly neatly and safely around its curcumference. quote]

I did this by accident a couple of years ago, made a great cloche

Sarah D

Joined: 28 Oct 2004
Posts: 2584

Posted: Wed Mar 29, 06 1:00 pm Post subject:

The demi-johns that I use tend to be "donated" by others - looking for somewhere to dump their unwanted demi-johns; quite often they ahve been left outside, and some of the gunk is impossible to get off, and they're full of insect bits, slime, etc. I give them a good wash out, but they are never quite clean enough even for me to use for wine

So instead of disposing of them, I use them this way. If I have to store empty ones for any length of time, I just cover over the tops with a poly bag or similar - stops them getting into a state, and they just need a rinse when you come to use them again.

dave b

Joined: 13 Feb 2011
Posts: 2

Posted: Sun Feb 13, 11 6:29 pm Post subject:

i've been brewing beer & wine for over 20 years , when i have finshed a fermentation cycle i roughly rinse the brew bin or demijohn then put oit out ino the garden for nature to clean up for a few weeks.
after that any residue that wont wash out with plenty of hot & cold water with a good stiff brush inside & out has never ruined the next brew! so i have to have a very good reason for getting rid of demijohns, however today i need to make a cloche for a venus flytrap

hots

Joined: 23 Sep 2010
Posts: 397
Location: Suffolk

Posted: Wed Feb 16, 11 5:34 pm Post subject:
First of all, sorry Cab, probably best you don't read this... I bought 3 demi-johns for �3 at a car boot sale this morning. Tried the ice-water/boiling water trick and it works brilliantly! Only done one so far, I will tackle the other two tomorrow. Ha! Take that you pigeons, let's see you get my strawberry plants now!

dave b

Joined: 13 Feb 2011
Posts: 2

Posted: Sat Mar 26, 11 8:21 pm Post subject:
i tried the hot water method , wrecked 2 demijonhs, tried scoring & tapping, still no joy, i must have really tough demijohns. finally found the soultion , a Diamond tile cutter, like a circular saw for cutting wall tiles. it works a treat! best used wet so you dont get glass dust in your lungs & wearing gloves & eye protection

astra

Joined: 05 Apr 2010
Posts: 1243
Location: Somerset

Posted: Sun Mar 27, 11 8:35 pm Post subject:
@ Sarah D. do you need to do anything with the broken edge Sarah? File it or anything?

jamanda
Downsizer Moderator

Joined: 22 Oct 2006
Posts: 35083
Location: Devon

Posted: Sun Mar 27, 11 8:43 pm Post subject:

astra wrote:

@ Sarah D. do you need to do anything with the broken edge Sarah? File it or anything?

If you look Astra, Sarah's post is five years old and she hasn't been on line here for quite some time. I would have thought you'd want to take the sharp edges off with something, but not sure what

astra

Joined: 05 Apr 2010
Posts: 1243
Location: Somerset

Posted: Mon Mar 28, 11 5:11 pm Post subject:
Ooops Never thought to look at the date or the year:?

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