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Product no.: 001453
Refill for the JBL The JBL Mg test test MG / Ca is an easy to use drop test to measure the magnesium and calcium content in the sea water. Since the measurement of magnesium content only about capturing the sum of magnesium plus calcium is possible both tests were combined in one package. By subtracting the calcium content of the total value of Mg + Ca you get the magnesium content.
1xMG1 und 2xMG2
If you pay by in advance you get 3% discountYou save 0.29 EUR
Shipping time:usually in stock
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