3 Review(s)

Material: pH paper is made of quality litmus paper, get fast and accurate results in just seconds with the good quality pH test paperMultiple applications: OCEAN STAR pH paper is good teaching supply for schools, lab, also can be applied to detect fish tank, hydroponics, aquariums, industrial testing, agricultural testing, etc.Easy to use and operate: remove a small test strip, touch the liquid to be tested, a few seconds later, compare the test results with the standard color on the card boardScroll design: lightweight and compact reel design for convenient use and carry; Each roll length approx. 16.4 ft/ 5 m