Concerned with pests or hitch hikers getting into your display tank? Highly acclaimed by Universities and Aquaculture facilities, the Reef Brite Aqua Viewer is a great tool for inspecting frags or new specimens. The Aqua Viewer is a portable LED magna-scope which unveils unseen dimensions in your aquarium or reef. Aqua Viewer enables portable on-site examination for parasites and diseases. Great for frag swaps, livestock purchases and detecting critters in live rock and live sand beds. Available with blue or red LEDs for night time viewing. Heavy duty canvas carrying case protects the Aqua Viewer when not in use. Requires 4 AAA batteries that are not included.