1. fill pond
2. clean liner and flush water.
3. put in plants.
4. fill pond.
5. turn on aerator.
6. put in fish.

All these steps within a few hours.

wrote:

Hi,

I've finally put in my pond liner and filled it with water. This is a
year after I started digging my 5000L / 1100 gallon pond. I've added
some water conditioner which I picked up from the local fish shop.
Now what? How long should I wait before adding fish and plants?

Han.