PHEP+ Waterproof PH and Temp Probe HI98108 Innovative Marine Reef Crystals contains essential ocean

Reef Crystals contains essential ocean reef elements in concentrations greater than those found in natural sea water:

Minimum Tank Size  180 gal

They are REEF SAFE

The Waterbox Aquariums Cube is one of our most popular all-in-one aquarium systems for both freshwater and saltwater aquaria

there is no more struggling to determine colors visually

PHEP+ Waterproof PH and Temp Probe HI98108 Innovative Marine Reef Crystals contains essential oceanThe HI98108 pHep+ pH tester provides high accuracy measurements in a rugged pocket sized design. This ph tester features an exposed temperature sensor for automatic temperature compensated readings. The simple, two button operation and large display makes it easy for anyone to test pH. Being lightweight and only 0. 7" thick, the pHep+ is extremely ergonomic and fits comfortably in your hand. Compact & waterproof design fits right in your pocket so you