The AI Hydra Edge 68HD LED Reef Light is the largest fixture in the Hydra Edge line, scaling up to 68 LEDs for bigger tanks while keeping the same EdgeField™ optics and Solar Ring shimmer effect as the 44HD model. Spread: EdgeField™ optics deliver a 100-degree spread for even PAR distribution and minimal shadowing; covers up to 30in x 30in mounted 7-9in above the water Spectrum: Solar Blue spectrum matched to natural underwater lighting; 68 LEDs across 6 channels (16 Blue, 12 Royal Blue, 14 Violet, 10 Cool White, 2 Warm White, 14 UV) Solar Ring: centralized white/warm-white LEDs create adjustable shimmer and visual depth Control: Mobius or myAI app (iOS/Android); compatible with Neptune Systems MXM module for Apex Fusion integration Dimensions: 15.25in x 6in x 1.0625in, 3.7lbs Power: up to 135W, 100-240VAC input, 176in cable Warranty: 1-year manufacturer Includes: AI Hydra Edge 68HD fixture, power adapter, quick start guide.The larger LED count and higher wattage over the 44HD give this fixture more usable intensity for deeper tanks or heavier SPS-dominant setups, while the same 30in x 30in coverage footprint means you're adding intensity rather than spread.