pH 7.01 Calibration Solution (230 mL) reflective-&-greenhouse-films Compatible with various grow systems

Compatible with various grow systems (ebb & flow

Elemental contains two absolutely essential macronutrients: calcium

200 cubic feet

Zero maintenance

8 pre-mounted brass burners

pH 7.01 Calibration Solution (230 mL) reflective-&-greenhouse-films Compatible with various grow systemsHI7007M is a premium quality pH 7. 01 calibration solution. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper proof seal to ensure the quality of the solution. Hanna's line of calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle. Color coded label for easy pH buffer value identification Accuracy