Bluelab Probe Care Kit pH & Conductivity Plant Saucer It comes with a 3-in-1

It comes with a 3-in-1 Temp/Humid/Photocell sensor

High red light ratio for healthy plant growth

This dual-channel controller allows daisy chaining up to 100 fixtures per zone

5 sq ft of tray space

MaxiGro is for the reproductive stage in fast growing annuals

Bluelab Probe Care Kit pH & Conductivity Plant Saucer It comes with a 3-in-1Everything you need to clean, hydrate and calibrate pH probes as well as clean and test conductivity (ppm EC) probes. The instrument is only as accurate as the probe is clean. Accurate readings simplify crop management and provide improved growth. Includes instructions, 20 ml single use Bluelab Solution Sachets, 2 each of: pH 7. 0 & pH 4. 0, KCl, 2. 77 EC, 3x plastic cups, pH Probe Cleaner, Conductivity Probe Cleaner, Toothbrush and Chamois.