HYDROS Dual Inline TDS Sensor Stonogobiops all essential trace elements are

all essential trace elements are also included: Iodine

so the Tiger Tail Coral Beauty Angel is not considered reef safe

5ft of Water Tubing

With strong flow and good nutrient balance

Prime 16HD Reef LED Specs:

HYDROS Dual Inline TDS Sensor Stonogobiops all essential trace elements areDual Inline TDS Sensor The HYDROS Digital Inline TDS Meter has two sensors to monitor the water quality of any RO DI system. The corrosion resistant titanium sensors will provide years of trouble free readouts. This device plugs directly into any available HYDROS Control Sense Port and requires no additional power source. Features: Simple Installation (includes 1 4in push connect fittings) Two High Quality Titanium Sensors Small & Compact Design Easy