Setup

Now that you have prepared the inner and outer buckets, packed the pond basket, and cut your fill tube to length, you can put them all together. The pond basket fits into the big hole in the inner bucket and extends down into the outer bucket, while the fill tube passes through its smaller hole in the inner bucket down into the outer bucket.

I've found it's easier to do the same step to a number of buckets rather than do a single bucket from start to finish. Here's a photo of six buckets that are on the way.