to avoid explosions when you open them

Not needed for any of your buckets or the pet demijohn

In powder form

The Fermentation Airlocks are standard size so fit all Fermenters

25 Litre Cider Kit with Cider Making Journal, Recipes, Yeast & Bottles cider to avoid explosions when you25 Litre Cider Making Equipment Kit by Almost Off Grid. This kit contains all the equipment you need to get started making sparkling or still cider from scratch. Ideal for a beginner, this Kit includes a Guide to Making Cider from Apples, a sachet of Cider Yeast, 10x PET 1 litre bottles with caps and a Cider Making Journal. The Journal contains recipes for Traditional Still Apple Cider, Sparkling Apple Cider, 'Wild' Apple Cider using only the yeasts