Qingdao Develop Chemistry Co., Ltd. [China]

1.used in test ph of Pool & spa 2.it's cheaper 3.easier useage

used in test ph of Pool & spa it's cheaper easier useage

DPD NO.1 tablet,water test kit,water treatment chemicals

DPD No1 Tablets. Test re-agents.  Test the Chlorine/Bromine of your pool or spa water.  Use this product with the test kits.

test pool PH dpd