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The Bluelab® Combo Meter is a conductivity
It is highly effective against powdery mildew and other fungal diseases of plants
The properties of Grow-Cubes make it like a 50/50 mix of absorbent to repellent stonewool
Note: Item #713020 is supplied without shrink wrap
Hydro-Logic Stealth RO150-300 RO Membrane Generic - RD The Bluelab® Combo Meter isReplace membranes when product water decreases and or ppms increase. Merlin Garden Pro & Evolution RO1000 membranes reduce 94%+ of total dissolved solids. Stealth RO100 200, Stealth RO150 300 and microRO 75 membranes reduces 98%+ of total dissolved solids. The Evolution RO1000 and Merlin Garden Pro systems need two (2) membranes.
US$ 22.99
US$ 14.99