Bluelab pH & Conductivity Probe Care Kit cloning-and-seed-starting KIND BASE 4-0-0 + 5%

KIND BASE 4-0-0 + 5% Calcium

Works for all Hydrofarm reflectors

Used for controlling fungus gnats

or hanging

Bluelab pH & Conductivity Probe Care Kit cloning-and-seed-starting KIND BASE 4-0-0 + 5%The instrument is only as accurate as the probe is clean. Probe cleaning is one of the most important parts of owning or operating any Bluelab meter, monitor or controller. The probe surface is where the instrument takes the reading of the solution or soil media. If the probe face is dirty or contaminated, then the reading will be inaccurate. Accurate readings simplify crop management and provide improved growth. To re stock your pH & conductivity