Secchi Disk With Lanyard For Easy Water Quality Testing<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>EASY TO USE - Includes everything you need to get started. Includes disk， cord， cord holder &amp; instructions.</li><li>WATER CLARITY MEASUREMENTS - The Secchi Disc is a timeless tool for checking water transparency in any body of water.</li><li>LONG RETRIEVAL LINE - Close to 100ft of cord is included to ensure you have enough for any water testing situation.</li><li>MONEY BACK GUARANTEE - If for any reason you don't like our Secchi Disk it can be returned any time no questions asked.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41ZRM6xhbzL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51TdTYhPofL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31CR0lxwS6L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31p1kkFgSOL.jpg" noproxy>