MARIMEX Tablets for the DPD 4 Tester

These tablets are designed for pool testers that contain a colour scale for the active ingredient Phenol Red. You can easily measure the content of active oxygen on the colour scale. Colours vary from yellow to orange and bright red. If you want crystal-clear water, their application is necessary. Pool water should have pH 6.9-7.4 and Cl 0.3-0.7. Suitable for whirlpool baths and swimming pools.

Key Features

• Spare tablets for a tester
• They provide more accurate measurements than ribbons
• Designed to detect the content of active oxygen
• Price quoted for 1 pack - 10pcs
• Designation DPD 4