Sunday, 16 August 2009
BBRAeNEWS No.182 - Water Clarity Problems.
Clarity of the water can pose a water quality problem. Lake of clarity or turbidity can have several causes, but the effects are typically the same, cloudy water and decreased aesthetics of the pond. The cloudy water can prevent sunlight from reaching the acquatic plants in the pond, which wouldn't be bad if our pond is overrun with weeds. However, most ponds with turbidity problems do not have much acquatic vegetation to begin with because the cloudiness of the water is caused by bottom sediment mixed up in the water column. The lack of vegetation allows for the sediment to be stirred up and then it blocks the sunlight to prevent further growth. A cloudy pond can also decrease our enjoyment of our pond. Typically, the turbidity is from stirred sediment, such as clay, or it can be organic, like planktonic algae. If the turbidity is caused by bottom sediment, to fix it is usually a waiting game, however there are some products available which will help remove the cloudiness. If its turbidity is caused by organic growth, the orgamism can be treated.