Type J Immersion and General Purpose Thermometer Probe Travel Bags & Backpacks the Silica Earth granular version

the Silica Earth granular version is best suited for direct soil application

Conductivity (EC): Measures the total amount of nutrients in your solution

store and sell with only one cut at harvest

The Oil Mist Filter also has KF25 High Vacuum end connections

Handle sodium hydroxide crystals or pellets with dry hands or appropriate gloves to avoid skin contact

Type J Immersion and General Purpose Thermometer Probe Travel Bags & Backpacks the Silica Earth granular versionThe primary difference between Type J and Type K thermocouples is the measuring range, and the sensitivity. Type K is the most common general purpose thermocouple with a sensitivity of approximately 41 V C. A wide variety of probes are available in its 50C to +900C 58F to +1652F range. Type K wire color standard is yellow (+) and red ( ). Type J has a more restricted range of 50 to +400C, but higher sensitivity of about 50 V C. Type J wire color