
This set includes pH and TDS meters which also have various temperature options. This is exactly what we need for our indoor grow tent. We use them every day for their intended purpose and they are perfect! You have helped me save our plants more than once!

Digital PH Meter Tester - Tiaoyeer Water Quality Tester With ATC, 0.01PH High Accuracy, 0.00-14.00 Measurement Range, 0.01 Resolution For Drinking Water, Aquarium, Swimming Pools, Hydroponic
8 Review

80 Pieces Water Test Litmus Strips Litmus ph Paper Soil Acidity Meter Liquid pH Tester 1-14
10 Review

TDS water quality tester - TDS water hardness meter (portable digital salt meter for water analysis)
9 Review

π PH 1-14 Extensive Storage Testing Monitoring: Optimize Your Storage with Precise pH Level Monitoring
6 Review

Portable Handheld Manometer π for Accurate Pressure Differential Measurement
5 Review

π‘οΈ Continuous Temperature Monitoring with Relative Humidity Integration
4 Review

π Dioxide Controller for Digital Gas Monitoring
5 Review

π Enhanced Precision with Backlit Professional Manometer for Differential Ventilation
6 Review