Simply Koi and More Koi

Thanks for the replys everyone. The pond will have semi circular ends (width of pond 2.6m) very similiar to andye's new build posted a few months back. If I go for the hollow block option how easy is it to get the holes in the blocks to line up and does it matter that there will be a large gap at th...

The base is now laid for my new pond. Happy days. Now I can go upwards rather than down. I want some advice on blockwork for the walls though. The pond will be 5.5ft deep, 3ft of which will be below ground level. My initial plan was to use 9" hollow blocks and to backfill but before I go ahead ...