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How To Sterilise Glass Bottles

how to sterilise glass bottles

Knowing how to sterilise glass bottles is important for anyone in the business of selling food and drink. As well as getting the glass clean of any dirt or residue that could be leftover from warehousing or transportation, the sterilisation process also kills off any nasty bacteria that would not usually be removed by just giving the glass a quick rinse in water.

Why Is Sterilising So Important?

You must sterilise your glass before use in consumer products for the following reasons:

  • Customer safety. If your glass is not sterilised properly, there could be some nasty germs lingering inside that could make your customers ill when they eat your product.
  • Product integrity. Some types of food or drink could react negatively with any bacteria that has been left on your glass packaging, therefore causing the taste or texture of your products to change.
  • Increases shelf life. By removing the germs and bacteria from your glass bottles and jars, you are increasing the amount of time that your product can be stored and safe to eat.

So how can you sterilise glass at home?

How To Sterilise Glass Bottles: Step By Step

This short guide is perfect for home bakers or small food producers to follow, however if you are a large producer, then it is more efficient for you to use large machines that are specifically designed to sterilise on a mass scale.

Step 1

First of all, you need to take your glass bottles and wash them throughly with hot, soapy water. DO NOT dry them with a tea towel.

Step 2

Next, you need to heat your oven to 140 degrees celsius or higher, place a sheet of baking paper on a middle shelf, then lay your glass bottles and *lids on it. Make sure that they are not touching each other, then leave to bake for 20 minutes until they are dry.

*Do not bake any lids that have rubber seals in the oven, as they will melt or lose shape. Instead, you will need to boil them in hot water and leave to dry in a rack.

Step 3

Take your glass out from the oven and leave to cool. Do not attempt to fill your bottles when they are still hot, as adding cold liquids to hot glass can cause the glass to crack. Once your bottles are cool, you are then free to fill with them with whatever wonderful drinks you so desire!

It’s that easy.

Great Value Glass Bottles For Juice, Smoothies, Water, Beer & Wine!

Whether you’re a small manufacturer or a a giant global conglomerate, our tiered pricing structure means that you always get the best price for the amount of units that you order. Wine, beer, juice, milk… we’ve got all your drinks packaging needs covered. Check out a few of our favourites!

glass bottles for drinks

For Wine: 187ml Green Glass Bordeaux Bottle & Silver Screw Cap

  • 43p each or less when you buy in bulk!

For Beer: 500ml Clear Glass Beer Bottle & Gold Crown Cap

  • 34p each or less when you buy in bulk!

For Smoothies250ml ‘Costalata’ Swing Top Glass Bottle

  • £2.43 or less when you buy in bulk!

For Juice: 250ml Glass Farmers Juice Bottle & Gold Twist Cap

  • 33p each or less when you buy in bulk!
Liked our guide on how to sterilise glass bottles? Then we think that you’d also like our discussion as to why glass packaging is making a comeback in Europe.

2 Comments

  • Posted October 29, 2018 at 10:37 am | Permalink

    Good post! Any plans writing similar for plastic?

  • Alysha Bennett
    Posted October 29, 2018 at 10:42 am | Permalink

    Hi Tuomas, thanks for the comment! This is definitely we are planning to do soon, alongside similar advice for aluminium packaging.

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