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2 RO membranes
Note: Do not clean filter with water
giving you more time to tend to your plants
Control multiple lights from one time clock or controller device
and adjustable power cord port
Hanna 1413 μS/cm (EC) Calibration Solution, 20 ml, case of 25 reflective-and-greenhouse-films 2 RO membranesHanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments. Comes in a bottle designed to keep air and light from damaging the solution.
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