PAR meter MQ-510 The MQ-510 quantum meter is designed for underwater PAR measurements and already applies the sensor's immersion effect correction factor to the meter readings through firmware. The meter consists of a waterproof quantum sensor attached via waterproof cable to a handheld meter. The waterproof sensor incorporates a blue-enhanced silicon photodiode...

T5 socket with wire Ultra Seal 2M - 5/8" IP67

T5 REEF SPEC Actinic 22000K 54w Product stopped REEF-SPEC™ Actinic 22000K This special blue and Actinic spectrum mixture is ideal for maximizing the fluorescent coloration of corals.

Ballast électronique pour tube T5 1 X 80 w

T5 marin day 15000°K 54w (1150mm) Cold-white spectrum featuring a colour temperature of 15,000 K. Particularly suited for reef aquariums with corals and other invertebrates. High light efficiency with very colour rendering characteristics. Colour temperature 15.000 K.

Blue actinic T5 ocean blue 45w (895mm) Facilitates coral growth by enhancing the blue range in the spectrum (so-called actinic radiation) preferred by zooxanthellae. Feature: Exhibits an intensive blue color and has an actinic spectrum! Displays and facilitates the beautiful fluorescence effects in corals.