10 Test Parameter Disk Series
Four different Spin Disks Ideal for Service, In-Store, and Public Pool Testing.
Test 3 Parameters, 3 Times!
Ideal for Public Pools testing Chlorine and pH throughout the day.
Combined Chlorine is calculated by Spin Touch™
Free & Total Chlorine & pH 3-Use WaterLink® Spin Disk 501 Series
Disk Patent No. 8,734,734
FCl Patent No. 8,987,000
TCl Patent No. 8,993,337
Ship us your used disks—we'll grind and recycle them.