Concrete fish pond
Some things to do on the pond embankment and basically dibeton before used are:
1. Fostered the bottom to form a layer of mud required for the artificial cultivation of natural foods. This artificial mud also needed to reduce solar heat into the pond, because the pond will feel much cooler if there is mud made from this fertilizer.
2. Inserted into the pool water to eliminate the influence of cement. In addition, to keep the body in the form of dikes that were not broken down due to ground water pressure from the pool.
3. Drain to remove the bad influence of cement which is usually alkaline effect and the heat in the water.
4. Pool filled with water again to make sure the influence of cement has gone bad.
source: Heru Susanto, PenebarSwadaya, 2009