Promote Healthy Plants: It ensures and maintains the health and quality of your greenery. PH Range: 3.5-8ph (3.5-6.5 ACID, 7-8 ALKALI). Just plug in the probe to your object. Relative Light: 0-2000lux (0-200 LOW, 200-500LOW+, 500-1000 NOR 1000-2000 HGH).
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