Blue Devil #3 DPD Rapid Dissolve tablets are used to test total chlorine levels in swimming pool water. Tabs are packaged in easy push-through foil packaging.
* 50 rapid dissolve tabs
Blue Devil #3 DPD Rapid Dissolve tablets are used to test total chlorine levels in swimming pool water. Tabs are packaged in easy push-through foil packaging.
* 50 rapid dissolve tabs