Physical Conditions of Pond Waters

Mainly, the physical condition of pond water is a pond waters condition viewed from the existence and appearance of the physical particles that were found in the waters. The particles appear as a result of processes which are occur within the pond waters ecosystem as well as cultivation technical factors thus its indirectly influence the living organisms within it.

The physical condition of pond water can also be used as one measure of water quality with the following rationale:

1. The appearance of these particles can be used as a signal that has occurred the process (biology, chemistry, physics) in waters that are not as they should.
   
   
2. In large numbers and long periods can cause disturbance in the physiological function of shrimp and other organisms.

The size of the particles are small and there are relatively large because the process of accumulation that occurred. The appearance of these particles could be in the water layer and also appears on the surface of pond waters. Through careful observation, the appearance will be seen even detected early causes of the problems. Some of the physical conditions of pond waters which are usually found among others:

1. “Dusty” pond, waters, this condition to illustrate that in the pond water appears very small particles and floating because it is not soluble or sediment in pond waters. The conditions like these can lead to disturbances in the gills of shrimp and at a certain time period can lead to red gill disease. Alternative treatments could be applied to overcome this problem is to increase water circulation in terms of both frequency and volume continuously. Use of saponin in a certain dose is expected to bind the particles that exist in the pond waters.
   
   
2. “Foamy” pond waters, in these conditions, the pond waters surface is looks foamy and will be more apparent when water wheels operated. This indicates that these waters have occurred in mass mortality of plankton that can cause pond waters ecosystem balance on collapse condition, water transparency tend to be unstable, dirty pond bottom which is caused by settled planktons mortality. Technical treatment that can be used to overcome this condition is by doing a continuous water circulation and in certain circumstances can be made plankton seed inoculation continuously from other mapped ponds along with increasing doses of fertilizers or organic material usage.
   
   
3. “Bundled” algae appearance on the pond waters surface. The “bundled” algae, basically is a mixture of pond bottom sewage with a dead plankton that rise to the surface water because of the oxidation process with supported by sunlight. This condition occurs because the dirty pond bottom and water transparency is relatively high. The “bundled algae when it has settled back in the pond bottom will occur decay and can lead to increased content of H2S, NH3 in ponds that are harmful to the shrimps. The “bundled” algae which are appearances on the pond waters surface can be resolved with removal of the “bundled” algae from the pond waters surface and pond bottom cleaning that are balanced with a continuous circulation and re-establishment of water quality through the dead plankton regeneration by inoculated plankton seeds fertilization with doses as needed.
   
   
4. Growth of moss within the pond. This condition occurs because of water transparency is relatively high and in lasts longer condition and it is accompanied by a continuous process of fertilization. Moss that grows in the pond will inhibit the activities and movement of shrimps and plankton growth process is relatively more difficult. Moss will disappear if the penetration of sunlight which is support to the growth of moss is blocked by plankton in certain water transparency.

The four conditions mentioned above is often found on a pond in less accurate observations of water quality or providing less precise of technical treatments on target. Pond waters with water quality and shrimps condition in accordance with the ecosystem balance will affect to profile and quality of the waters physical condition and its will be maintained by itself and is dependent on the effort to maintain these conditions.



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