NwT practical course 26.02.2007 (cold water aquarium/light)

Measure of abiotic factors of the aquarium
Light

Measure the light

Material:
GTR, HQI- lamp, measuring tool

Experiment set-up:
Measure the light in different areas of the room for example the light in the room and the HQI-lamp.

Observation:
Area – brightness

Room light: 305 Lux

Straight under the room light: 663 Lux

Straight under the HQI-lamp:2362 Lux