Digitale Ph meter | Slechts €12,95 | Onlineaquariumspullen - Onlineaquariumspullen
Amazon.com: VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Household Drinking, and Aquarium, UL Certified :