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Full spectrum 3100k or 4200k
And for that
Phosphorus
Includes instructions
Translucent polyethylene for durability and easy viewing of liquid levels
Bluelab® pH Controller Redrock Cubes Full spectrum 3100k or 4200kMeasures 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
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