Hands-On With Grassy Ledio’s Rainbow of RX072 PAR 38 LED Spotlight

The aquarium hobby really got its start with light emitting diode lighting through the use of PAR 38 LED spotlights. This form factor of LEDs was our first three or four LED lights and of all the brands we ever tried, no company made a better PAR 38 spotlight than Volx Japan.

Where many companies were content to rebadge off the shelf heatsinks and use mid-grade LED components, Volx Japan really blazed a trail with their Grassy LeDio line of LED spotlights. The RX072 is the newest series of Grassy LeDio PAR 38 spotlights from Volx Japan and these take up the mantle of colorful spotlighting in a way that no other company really has.

The five different colors of the Grassy LeDio R072 LED spotlights

Featuring an all new heatsink design with passive flow through cooling and the latest Cree XLamps LEDs, the RX072 feature the greatest range of LED colors we’ve ever seen in this form factor. The five different models of Grassy LeDio RX072 spotlights range from the super warm, reddish Sunset model, to the super blue Deep model that is populated with four colors of blue diodes.

We took each of the five new Grassy LeDio RX072 for the proverbial spin on a combo rock of zoanthids and shrooms to see how the different color spectrums make these corals look. At 14 watts per spotlight, the RX072 are really designed to be a beam of color-accentuating light, highlighting the unique colors of certain corals, and complimenting existing lighting setups in most reef tanks.

With our best modern, color-controllable LED fixtures being able to dial in the spectrum over the entire aquarium to just about any desired level, it might be hard to see the function of spotlights like the Grassy LeDio RX072. But if you have a favorite coral or group of corals that you really want to see highlight in your reef display, there’s a color combination of Grassy LeDio spotlights that can really make that coral pop.

ledio-rx072-par38-led-spotlight-sunset — The use of warm white and red LEDs in the RX072 Sunset spotlight can really bring out the pinks of Pocillopora and Birdnest corals, or any coral with a red, pink or purple hue.

ledio-rx072-par38-led-spotlight-aqua — The RX072 Aqua is the basic balanced spectrum spotlight for giving a PAR boost to a section of your reef.

ledio-rx072-par38-led-spotlight-reef — The RX072 Reef is a balanced multicolor spotlight with SEVEN differently colored LEDs.

ledio-rx072-par38-led-spotlight-coral — The RX072 spotlight is pretty much all blue with one single warm white LED to balance out the very blue spectrum.

ledio-rx072-par38-led-spotlight-deep — If you want to go into the deep end of blue LED lighting, the RX072 Deep spotlight has four LED colors to bring out all your corals fluorescent colors.

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Jake Adams

Jake Adams has been an avid marine aquarist since the mid 90s and has worked in the retail side of the marine aquarium trade for more than ten years. He has a bachelor’s degree in Marine Science and has been the managing editor of ReefBuilders.com since 2008. Jake is interested in every facet of the marine aquarium hobby from the concepts to the technology, rare fish to exotic corals, and his interests are well documented through a very prolific career of speaking to reef clubs and marine aquarium events, and writing articles for aquarium publications across the globe. His primary interest is in corals which Jake pursues in the aquarium hobby as well as diving the coral reefs of the world.