Aqua Master S300 Pro 2 pH ElectrodeThis replaceable electrode is suitable for Aqua Master Tools Substrate pH Temp meter S300 Pro 2. The tip of the electrode is made of glass, the remaining of the electrode is made of plastic. For instructions on how to replace the electrode, see our user manual or watch the how to video. Note: Aqua Maste recommends storing the pH electrode with KCl storage solution in the protective case. Aqua Master S300 Pro 2 pH Electrode Directions Detach the BNC
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