Hanna Combo HI98129 pH/EC/TDS/Temperature Tester with Low Range EC Adapters which allows you to ensure

which allows you to ensure a consistent and precise cure every time

ensuring relative humidity is kept at 69% in a contained area

and improve plant resistance to abiotic stresses through better nutrient and water availability

without photoxicity or visible residues

at 58% RH — the drier of Boveda's two flower levels

Hanna Combo HI98129 pH/EC/TDS/Temperature Tester with Low Range EC Adapters which allows you to ensureThe HI 98129 Combo waterproof tester offer high accuracy pH, EC TDS and temperature measurements in a single tester! No more switching between meters for your routine measurements. The waterproof Combo (it even floats) has a large easy to read, dual level LCD and automatic shut off. pH and EC TDS readings are automatically compensated for the effects of temperature (ATC). This technologically advanced tester has a replaceable pH electrode cartridge