Aranet CO2 and Temperature Sensor | 0-9999 ppm Wireless PRO Triminator 584 blocks The Grodan PAR10

584 blocks The Grodan PAR10 Block 4 x 4 x 4 in with Hole is an industry-leading rockwool growing medium

ensuring the nutrient delivery system remains within the target range

and it is a measure of oxygen rather than of container size

It combines 70% high-quality coco coir with 30% perlite to provide a superior balance of moisture retention and aeration

Aranet CO2 and Temperature Sensor | 0-9999 ppm Wireless PRO Triminator 584 blocks The Grodan PAR10Aranet PRO CO2 Sensor for Wireless Monitoring The Aranet PRO sensor pairs to an Aranet PRO base station over the Sub GHz US920 band. CO2 reads from 0 9999 ppm at (30 ppm + 3%), and temperature reads 0 50C at 0. 3C. It also logs atmospheric pressure from 300 1100 hPa. An IP67 ASA plastic enclosure lets it ride out the humidity of a working grow room. Wireless CO2 Sensor for Greenhouse and Grow Rooms Line of sight radio reaches up to 3 km, so one base