Soil

22. The soil where you build your pond should not be too sandy. Soil with too much sand or gravel in it will not held water.

23. In sandy soil the water will sink into the ground and there will not be enough water for your fish.

Sandy soil

24. If the banks of your pond are built of sandy soil, they will not be strong enough to keep the water from flowing away.

25. The soil where you build your pond should have enough clay in it. Clay soil holds water very well.

26. In clay soil, very little water will sink into the ground, and banks of clay will be strong enough to held the water in the pond.

Clay soil