Bluelab Conductivity (EC or PPM) Pen Lighting A-Ok plugs come labeled with

A-Ok plugs come labeled with instructions in a shrink-wrapped package that fits a standard 10 x 20 tray (flat)

Our premium concentrated pH Down offers a clean formula for growers needing to safely lower the pH levels in their garden

311-2015))

1x LED200W

Bluelab Conductivity (EC or PPM) Pen Lighting A-Ok plugs come labeled withBluelab Conductivity (EC or PPM) Pen Success by simplicity! The Bluelab Conductivity Pen is an easy to use handheld meter that quickly and accurately measures if your crop is receiving the right amount of nutrients. Use to maximize plant health, prevent nutrient burn and ensure optimum plant yields. DIRECTIONS FOR USE: Step 1: Press power button and place probe in solution. Wait for reading to stabilize. Step 2: To hold reading press power button