Hanna 1382 ppm@25C Calibration Solution, 20 ml, case of 25 chillers-heaters-and-purification and soilless-based gardening mediums without

and soilless-based gardening mediums without the fear of irrigation line clogging and without the nasty smells associated with other brands

and temperature measurements with this pH/EC/TDS waterproof meter

These differences allow us to optimize lamp performance over life to improve results in your indoor garden

ideal color temperature

Hanna 1382 ppm@25C Calibration Solution, 20 ml, case of 25 chillers-heaters-and-purification and soilless-based gardening mediums withoutHanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments. Comes in a bottle designed to keep air and light from damaging the solution.