Assertion: chlorine | /r/CapableOf | restore free chlorine residual
Facets:
Source sentences:
text: More chlorine may be needed to chemically destroy the chloramines formed and restore a free chlorine residual.
text: Like drinking water, the aim is to add enough chlorine to maintain a free chlorine residual in the presence of relatively high contamination levels without adding so much that you form harmful disinfection by products.