Apera GroStar GS4-P 6-in-1 pH, EC, ppm & ORP Combo Pen Tester Kit Gen II | Hydroponics water quality equipment 5°C Display 2-Color Backlit LCD Power Supply 12 VDC ZAP-PITCHER1A STSOL250BL
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Ships within 48 hours · Estimated delivery Sep 15 - Sep 20