Taotronics recommend minimum of 10 inches off the water. Their circuits are not waterproof.
Or you can hang from a single point from the ceiling.
55 Gallon, DIY Live Rock, 2 Taotronics 130w LEDs, CPR HOB skimmer and refugium, 525 GPH SunSun 5-stage Canister with UV Sterilizer using Chemi-pure Elite, and Two Fishes GFO reactor and 3 800 GPH powerheads. <><