Atlas Scientific K 1.0 Conductivity Calibration Solutions - 12,880µS & 80,000µS - 125ml (4oz) Pack of 2

Atlas Scientific EZO-EC Embedded Conductivity Circuit 0.07 - 500,000+ μS/cm

Atlas Scientific EZO-RTD Resistance Temperature Detector Embedded Circuit -126.000 °C - 1254 °C

Atlas Scientific pH 4.00, 7.00, 10.00, pH Electrode Storage Calibration Solution 125ml - 4oz (Pack of 4)

Atlas Scientific PT-1000 Temperature Probe -200 ̊C to 850 ̊C

Atlas Scientific Electrically Isolated EZO Carrier Board

Apera Instruments 2301-C Conductivity Electrode (K=1), Range: 0.5 µS/cm to 200 mS/cm, BNC Connector, Polycarbonate Body

Atlas Scientific K 0.1 Conductivity Calibration Solutions - 84µS & 1,413µS - 125ml (4oz) Pack of 2

Atlas Scientific Conductivity Probe K 1.0 5 - 200,000 μS/cm

Gikfun 12V DC Dosing Pump Peristaltic Dosing Head with Connector for Arduino Aquarium Lab Analytic DIY AE1207

Whitebox Labs Tentacle T3 for Raspberry Pi