The hue of the test strip seems to be between the 60 and 120 ppm levels. The water on the strip makes it brighter than the colors on the chart, but the hue (tint) can be compared. The 180 ppm is a bit more purplish than the test strip and the 30 ppm is more turquoise than the test strip.
Transcript of LEADER-ANTOINETTE TUFF-HERO. Antoinette Tuff is a strong leader whose authority everyone respects. Has been in school system eight years, three at Ronald E. McNair Discovery Learning Academy. Had training in hostile or dangerous situations or crisis, i.e trespassers, and emergency situations. LEADER
Tufa is a variety of limestone, formed by the precipitation of carbonate minerals from ambient temperature water bodies. Geothermally heated hot springs sometimes produce similar (but less porous) carbonate deposits known as travertine.hey are distinct from most tufa deposits in that they lack any significant macrophyte component; this is due to the salinity excluding mesophilic organisms. Some tufa columns may actually form from hot-springs and therefore actually be a form of travertine.