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Product no.: 118500
Important to adjust their measuring instruments and water tests! Only exact references also allow accurate measurements.
1 liter reference solution which allows to check in addition to calcium, magnesium and KH and salinity.
It has been shown that in particular the equipment for adjusting the salinity, should be particularly checked.
If you pay by in advance you get 3% discountYou save 0.57 EUR
Shipping time:usually in stock
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