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CO₂ glass diffuser 3in1 with bubble counter and check valve
A beautiful composition of 3 individual pieces (check valve, bubble counter and diffuser) in the shape of a calyx. Suitable for tanks up to 160 litres
Potassium chloride solution for redox and pH combination...
Refilling and maintaining of standard pH and Redox combination electrodes (3 molar resp. 4 molar). Not for refilling of gel electrodes!
50 ml (€10.50 / 100 ml)
From €5.25 *