LaMotte Free Chlorine/Bromine/Alk/pH Combo 3-Test Disk - Pack of 50 tube-thickness_.145" Battery is a common round

Battery is a common round watch battery and is included

This is a 2 inch threaded Tan S20 Concrete Admiral Skimmer with Circular Weir

The Motion Trek BP400 is constructed of all 304L grade stainless steel which is electropolished

temperatures and UV rays

This pool safety rope and float kit is pre-assembled and combines 1/2 inch yellow rope with twenty-seven 3 x 5 inch locking pool floats

LaMotte Free Chlorine/Bromine/Alk/pH Combo 3-Test Disk - Pack of 50 tube-thickness_.145" Battery is a common roundThe LaMotte 4335 H Free Chlorine Bromine Alkalinity pH Combination 3 Test Spin Disk tests for these four elements and can test up to 3 times on the disk. Each disk is divided internally into thirds and each section holds reagents for a separate test. You'll be able to test (for example, FCl, TCl, and pH) three separate times on the same disk, giving you 150 tests per 50 disks. Each disk includes a set of reagents for the series. Tests for all factors