NPK Industries RAW Silica 2lb Planting & Watering trays it has a 0-hour pre-harvest

it has a 0-hour pre-harvest interval allowing it to be sprayed up until the day of harvest (excluding cannabis)

Please Note:  This unit REQUIRES  a qualified electrician to wire the necessary plug to the cord

Avoid Ingestion: Do not swallow hydrogen peroxide

which enables the data logging of pH

The Apron features a crossback strap to keep the weight of the apron off your neck

NPK Industries RAW Silica 2lb Planting & Watering trays it has a 0-hour pre-harvestDescription NPK RAW Silica 2lbs NPK RAW Silica 2lbs: RAW Silica contains 45% Silicon Dioxide which is the highest concentration of silicon dioxide available to the home gardener. RAW Silica is flowable and suspend able in water and naturally available to the plant. Since RAW Silica is a natural form of silicon dioxide, it is PH neutral and does not cloud when added to water. RAW Silica can be used during all stages of growth and bloom for optimal stem