4ltr Mini FerMonster Carboy


Regular price £11.95
46 in stock

Finally, a PET fermenting bottle for your small batches. All the advantages of glass without the risk of breakage. The 4-litre capacity is suitable for your small batches of beer, wine or even kombucha! The large 4 inch (10.16 cm) mouth opening makes the fermenter easy to clean. Adding dry hopping is also no problem.
  • easy cleaning: due to smooth, ribless sides which reduce residual yeast and sediment and a 4” wide mouth
  • screw lid with O-ring for a guaranteed airtight closure
  • made with food-grade materials & BPA-free
  • made of heavy PET: nearly unbreakable and impermeable to oxygen penetration
  • completely taste and odour-free


Our deliveries to the UK mainland are via the Royal Mail and DPD.


  • £3.50
  • Up to 5 Working Days
  • Insured Delivery Service
  • FREE for orders £50.00 or above


  • £5.95
  • Next Working Day Delivery
  • Order Before 12pm
  • UK Mainland Only
  • Any Express orders placed on Saturday or Sunday will be dispatched the next working day.


Some items are available on Standard Delivery only. 


We hope you love your new Brew2Bottle purchase and are busy brewing, mashing, fermenting or bottling. However, if you are unhappy with the goods for any reason, please contact the Brew2Bottle team at sales@brew2Bottle or on the Hopline 01254 315082.

Please state your order number in the subject field of your email, so that we can access and amend your order quickly.

If the item is simply unwanted, we are happy to refund the cost of the item within 30 days. However, we don't cover the cost of returns on unwanted items. In the unusual event that you have received a damaged or faulty item, please contact our team as quickly as possible so we can rectify and get your brewing again soon.

As you would expect, this does not affect your consumer rights and our full ‘Terms & Conditions’ can be found at: https://brew2bottle.co.uk/pages/t-cs