Conductivity Pen - EC or ppm Magnetic Integrated empty CO2 tank sensor

Integrated empty CO2 tank sensor

Flowers With Higher Market Value

Accepts garden hose end

brand may/will be different than the one shown in the picture

Conductivity Pen - EC or ppm Magnetic Integrated empty CO2 tank sensorThe Bluelab ppm Pen simply tells you that your plants have the right amount of nutrients in your solution and lets you know if adjustments are needed. To feed plants well, we need to know what we're feeding them. Start with a quality nutrient. Measuring the conductivity every day is the best way to avoid over diluting or over concentrating your nutrient solution. Completely change the reservoir solution every 7 days. Top up the nutrient level between