ZGHSWM 10pcs/lot PH test paper Laboratory Universal Indicator PH paper special test paper(PH 5.5-9.0)

ZGHSWM

Accurate pH measurement with 10pcs universal indicator strips Ideal for laboratory use, water testing, and soil testing applications Easy-to-read color chart for quick pH level determination Versatile use in various environments including home, garden, and laboratory Compact and portable design for convenient testing on-the-go