Water pH test: * For about 80 measurements * Only 4 drops per test. * For fresh and salt water. * 0.5 pH step graduation. * Template with 14 colors from red to yellow and green to purple.
JBL pH Test-Set 3.0-10.0 - test for measuring water pH
Вариант: JBL pH Test-Set 3.0-10.0 - test for measuring water pH
