Four Way Analyzer

Compact portable meter, for use indoors or outdoors, measures the essentials for vigorous growth: soil pH, soil moisture, and sunlight. Measures pH, moisture, fertilizer and light. Black plastic housing. Probes are 3.375 inch long. Comes with a complete guide with reading recommendations for most plants. Designed for soil testing only, not liquids. Combined soil N-P-K level based on USDA Standards. No batteries required.

Single gauge for all four readings. Gauge reads as follows:

Fertilizer: too little, ideal, too much
Light measurement: 1000 to 100,000 foot-candle hours
Moisture: 1 - 4; 1 being the driest
pH: 9 through 0