... 0 .5 m.Loss of light The further away the light source, the greater the loss in:- the lighting hood;- the glass lid covering the aquarium;- the water. Part of the light is reflected by the ... surfaceof the water, another part is absorbed (the deeper the aquarium, the greater the importance of the absorbed light), and afinal part is diffused by suspended sedi-ment. It is estimated that the ... unnaturalappearance, so they hide their diffusersand pipes in the decor, and the bubblesare only noticeable when they break the surface of the water.For the reasons mentioned above, the ideal position...