Kits 🌱 Hydroponics 🌱 Hydroponic Monitoring Kit Sensor Modules & Probes 💥 Conductivity Mod-EC Lab EC Probe Industrial EC Probe 🧪 pH Mod-pH Lab pH Probe Industrial pH Probe ⚡ ORP Mod-ORP Lab ORP Probe Industrial ORP Probe 🌡️ Water Temperature Mod-NTC DS18B20 Temperature Probe DS18B20 Thermowell 🌫️ Air Temperature Weatherproof SHT-30 Module Carrier & Isolation 🛑 Isolation Mod-ISO 🎒 Carrier Board Dual Isolated Sensor Mod-Passthrough Extras 🕳️ Bulkhead Connectors SMA-BNC