Oxygen Measurement in Aquariums
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Milwaukee MA9071 Oxygen Electrolyte Solution 230ml, 1 Pc
- For the MA840 polarographic probe for O₂
- Made from high-quality chemicals
- Ideal for open air calibration
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Milwaukee MA841 Replacement Membrane for MA840 Probe, 1 Pc
- For the MA840 Polygraphic Probe for O₂
- Easy to replace
- Ready for immediate use
All prices incl. VAT.