Aquamaster pH 4.01 Calibration Solution - 20ML pond-filters Compatible with both HPS (High-Pressure

Compatible with both HPS (High-Pressure Sodium) and MH (Metal Halide) lamps

There are 5 options

SUPERthrive can be used on seeds to help during germination and get earlier vegetable and flower crops

Optic Foliar Switch stimulates flower initiation in plants by preventing and combating key stress factors that can delay the formation of blossom set

and outdoor areas

Aquamaster pH 4.01 Calibration Solution - 20ML pond-filters Compatible with both HPS (High-PressureAqua Master Tools pH 4. 01 calibration solution available 20ML 100ML 500ML. Traceable to NIST standard. Close immediately after use. Store between 15 25 C. Do not reuse liquid.