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WTS: hanna checker NO2 and NO3


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  • SRC Member

Hi, looking to sell my underused hanna checker for NO2 ULR(HI764) and NO3 LR(HI781)

NO2 set condition 7/10, 7 sets of testing powder. $40

NO3 set condition 9/10, 19 sets of testing powder/liquid.$70.

interested please drop me a pm, price slighly nego.

self collection at clementi/faber area please. 


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