$1.50 250 Box(MOQ)

100 Strips/Box Universal Test Paper pH Indicator Paper Stick pH Test Strip 0-14

Chongqing New World Trading Co., Ltd.
$39.00 10 box(MOQ)

Chlorine Dioxide Test Strip 10-500 Mg /L U for Rapid Determination in Water

Guangdong Huankai Biology Sci.&Tech. Co.,Ltd.
$36.90 20 box(MOQ)

Ammonia Nitrogen Rapid Water Test Paper, Indicator Paper Water Test Kit (0-100mg/L)

Guangdong Huankai Biology Sci.&Tech. Co.,Ltd.
$0.50 1000 Bags(MOQ)

Universal Neutral pH Test Strips Litmus Blue Test Paper/Red Litmus Paper

Qingdao Aost Medical Manufacture Co., Ltd.
$1.00 1 Piece(MOQ)

Universal 0 14 0-14 pH Precision Test Paper Strips Roll

HANGZHOU KIMISLAB CO., LTD.
$25.00 10 box(MOQ)

060070 Water Quality (fecal) Coliform Test Paper -IV (1mL) Water Test Kit

Guangdong Huankai Biology Sci.&Tech. Co.,Ltd.
$36.00 10 box(MOQ)

Hydrogen Peroxide Water Test Strip, 0-25 Mg/L, H2O2

Guangdong Huankai Biology Sci.&Tech. Co.,Ltd.
$36.90 10 box(MOQ)

Rapid Water Hardness Test Strip, Total Hardness Test Paper

Guangdong Huankai Biology Sci.&Tech. Co.,Ltd.
$1.10 1000 Pieces(MOQ)

5m Roll pH Test Strips, Universal pH Test Paper Strips Roll pH Measure Range of 1 - 14

Ningbo Yingmed Medical Instruments Co., Ltd.
$1.00 1 Piece(MOQ)

pH Test Indicator Strips Paper

HANGZHOU KIMISLAB CO., LTD.
$1.00 1 Piece(MOQ)

Saliva 100 pH Test Paper Strips for Water

HANGZHOU KIMISLAB CO., LTD.
$28.00 20 boxes(MOQ)

Water Test Kit Water Test Strips Dpd Ozone Test Kit Chlorine Test Total Hardness Test Low Hardness Test Ammonia Nitrogen Test

Guangdong Huankai Biology Sci.&Tech. Co.,Ltd.
$1.22 250 pieces(MOQ)

Portable pH Tester Test Strips 1-14 Litmus Paper pH Paper for All Solution

Chongqing New World Trading Co., Ltd.