- $0.00 - $25.00 (2)
Delivers easy and accurate readings of your water temperature. The gauge floats and has a pressure sensitive backing for easy mounting. It features readings in both Celsius and Fahrenheit, as well as clear markings that delineate ideal nutrient temperature.
Special Price: $1.98
The Sunleaves TDS Essential Digital Pen measures total dissolved solids from 0 to 9999 parts per million with a resolution of one part per million and includes a data hold feature for temporary TDS reading storage.;
Special Price: $22.99