Assertion: boric acid | /r/HasAspect | ph
Facets:
value: under 5
type: OTHER
value: re boric acid
type: OTHER
value: re fleas
type: OTHER
value: usually
type: TEMPORAL
Source sentences:
text: Re: boric acid and fleas, Boric acid usually has pH under 5 which is why it is an irritant and can be toxic in quantity.