Pay in 4 interest-free payments of $62.50 Learn more
Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
Potassium Sulfate
And for that
Full spectrum 3100k or 4200k
Includes instructions
Read entire container label and use Only as directed
Bluelab® pH Controller Redrock Cubes Potassium SulfateMeasures and controls (doser) pH in solution for acid or alkaline conditions to make precise up and down adjustments with lab quality glass probe used for the pool, drinking water, hydroponics, brewing, and growing EASY two point calibration and auto temperature compensation makes this digital meter a handy tool with backlit LCD display and calibration reminders 24 7 monitor for your ph level to maximize your grow and ensure plants get the balanced