Apogee quantum meter and sensor supplied with 3m cable.
In order to keep lighting at constant levels optimal for coral growth it is possible to measure and monitor levels of photosynthetically active radiation (PAR) as well as LUX. Metal halide lamps alongside fluorescent lamps will loose some intensity over a period of time. By measuring PAR it is possible to adjust lighting levels accordingly:
Change MH and fluorescent lamps only when it is needed and at the right time
Adjust the distance of the lighting fixture from the aquarium. The distance of the lighting fixture from the aquarium can be increased when the lamps are new and later lowered to maintain constant lighting levels
Position corals requiring more intensive light at a correct depth
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