Adaptive Reef (SCRATCH & DENT) Controller Cabinet Neptune DOS Faceplate - Black Double Slat - Adaptive Reef $49.99 Scratch & Dent - Small visible blemish units. The Neptune Systems DŌS Dosing and Fluid Metering System is a popular automatic dosing system that is a perfect fit for the Controller Cabinet when combined with the DŌS faceplate. You’ll... Add to Cart