When new, the lid on the fermenter set takes a little bit of technique to get it to fit. Here are some tips to getting it to fit.

1. Hold the lid at an angle to the top rim of the bucket, and press down at the point of contact. You should hear or feel a distinct clip once the lid grips the top of the bucket.

2. Now that the first section is clipped on, make your way around the circumference of the fermenter, it should be a lot easier to do than clipping on the initial section.

Once on, the lid will create a nice seal, and once it has been used a few times it will become easier to fit.