Pay in 4 interest-free payments of $5.21 Learn more
Ships within 48 hours · Estimated delivery Sep 29 - Oct 4
The fill is the salt-free plant-based blend used across the line
we strive for precision and purity
For best results with All ·Mix or Light ·Mix
This meticulous composition ensures that your plants absorb every vital nutrient efficiently
BlueLab Calibration Solution - 27.7CF/EC2.77 - 500mL Humidity & Storage The fill is the salt-freeCalibration solution for Truncheon, Guardian (conductivity), and ppm EC pen. 2. 77 EC = 1350 TDS ppm (500 scale) = 1890 ppm (700 ppm) MSDS
US$ 101.86
US$ 122.97
US$ 172.96
US$ 181.93
US$ 150.26
US$ 30.20
US$ 30.20
US$ 100.86
US$ 170.55
US$ 81.24
US$ 173.26
US$ 166.54
US$ 47.54
US$ 70.86
US$ 149.75
