Feature: 1. Simple operation, no need other supplementary materials.2. Classical colorimetric method analysis, multilevel test requirements, with colorimetric card for visual reading. 3. Testing sample only need 0-1 minute, convenient to carry for outdoor testing. 4. Using drying sealing barrel packaging, durable and long service life. 5. Three types for you to choose, to meet different needs and requirements. Specification: Condition: 100% Brand New Item Type: Water Quality Test Paper Material: Indicator Paper Color: As Picture Shown Storage Method: Cool Dry Place, Avoid High Temperature Test Time: 50 Times Options: PH Test Paper, Total Alkali, Hardness Weight: Approx. 52g Using method: 1. The reagent was immersed in the liquid to be tested for 2 seconds and removed 2. Shake off redundant liquid from the test paper 3. Contrast with color batch Package List: 1 x Bottle of Water Quality Test Paper 1 x English Manual Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.
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