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If you're growing in clay pebble
The product has an increased capacity of 800 L of water
which develop under grow lights
giving the user great control
Keep the unit out of children's reach and protect it from extreme temperatures
TechGrow - Sensor S-4 / 0-2.000PPM Trolmaster Spares & Components If you're growing in clayOverview Achieve optimal conditions in your greenhouse with the smart S 4 Sensor 2,000 ppm from TechGrow. This all in one sensor measures the CO2 concentration, relative humidity and temperature in your room, and detects light. The built in light sensor enables automatic switching between day and night mode. If desired, you can manually set the light sensor to a non stop day mode by means of a DIP switch. General Information The S 4 Sensor 2,000 ppm
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