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JBL Test Magnesium
Indicates 0 and 10.0 mg / l (ppm) exactly. Recommended: 5-10 mg / l. 3 very accurate test reagents and a waiting time of 15 minutes.
Comparison system takes into account the intrinsic color of the water. With 2 glass cells, syringe for accurate measurement of 5 ml, reagents and color cards.
Mg deficiency is indicated by points of light yellow between veins of leaves and stagnant growth of plants.
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