AQUADUR test strips, gradation: 3-25 °dH, 5000 pcs

Item No.9130395
Water hardness test strips, AQUADUR® For determining water hardness. Colour change from green to red. Scale grading: 5 / >10 / >15 / >20 / >25 °d* Package contents: Bag of 5000 strips *single sealed Pack: 5000 each/pack
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