Blue Devil B7112 Cyanuric Acid Test<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Tests pool's cyan uric acid</li><li>2 oz. bottle</li><li>Reagent refill for Blue Devil Test Kits</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41N5IzYgmNL.jpg" noproxy>