Comments on: DPD Tablets for Chlorine Testing and/or Bromine Testing (Pools/Spas)

Comments on: DPD Tablets for Chlorine Testing and/or Bromine Testing (Pools/Spas) http://watertestingblog.com/2009/06/17/dpd-tablets-for-chlorine-testing-andor-bromine-testing-poolsspas/ "It's your water, your health.. and ultimately your LIFE!" Wed, 11 Jul 2018 15:24:16 +0000 hourly 1 https://wordpress.org/?v=4.7.5