Spider Farmer - GGS SensorPro Kit – CO₂ Sensor & PAR PPFD Meter for Grow Systems

This sensor kit includes a CO₂ sensor and a 4-in-1 environmental sensor for measuring temperature, humidity, VPD, and PPFD, aiding in precise environmental control for grow tents and rooms.

• The description claims that supplementing CO₂ can increase plant growth rates by 20–100% and crop yields by 20–30%.
• The description claims that elevated CO₂ levels can enhance photosynthesis under strong lighting and improve plant vigour.