AQUADUR test strips, gradation: 3-25 °dH,1000 pcs

Item No.9130397
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 1000 strips* *single sealed Pack: 1000 each/pack
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