I was planning on adding borax to my pool because of all the benefits. However, it seems Health Canada has issued some warnings about the potential effects of exposure. Not sure if it is a good idea with these warnings being issued...
Health Canada warns against using boric acid in arts and crafts | CTV News
Information Update - Health Canada advises Canadians to avoid homemade craft and pesticide recipes using boric acid - Recalls alerts - Healthy Canadians Website
Boric Acid, its Salts and its Precursors