as the demijohn is sufficient for 1 gallon/4

creating a seal

which makes them easier to store

The airlock cap is not designed to be tight fitting

Plastic 1 Litre PET Clear Bottles & Caps - 24 Pack wine making equipment as the demijohn is sufficientA case of 24 one litre clear PET plastic bottles, with 24 caps. Each 1 litre bottle is designed to withstand pressure. These are typically used to make sparkling Elderflower fizz or homemade sparkling cider, any homebrew drink in fact that creates pressure inside the bottle. PET bottles are ideal for this because, as the pressure inside the bottle builds, the plastic becomes tight. You can then 'burp' each bottle occasionally and reseal, to avoid