Bluelab PH Probe KCL Solution 100ml Water Control Gaia Green Gypsum (Mined Calcium

Gaia Green Gypsum (Mined Calcium Sulfate) assists with breaking down and improving the structure of clay soils and hard pan

Clean your fluorescent bulbs each month

EC-to-TDS Conversion Factor: NaCl (avg of 0

Use for all plants in prepared soil/soilless mixes

organic plant acids

Bluelab PH Probe KCL Solution 100ml Water Control Gaia Green Gypsum (Mined CalciumBluelab pH Probe KCl Storage Solution is made specifically for use with Bluelab pH products. It is designed to increase response time and maximize the life of Bluelab pH pens and pH probes. For best results, use the KCl solution to store the pH pen probe after use and hydrate monthly.