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SUDS-ONLINE Testers UK
- SUDS-ONLINE 3 in 1 test strips for swimming pools, spas and hot tubs.
- These test strips test the levels of Free Chlorine, pH & Total Alkalinity to keep you and your family safe.
- Dip a strip into water and remove immediately.
- Hold strip level for 15 seconds (do not shake excess water from strip).
- Compare Free Chlorine, pH and Total Alkalinity pads (in that order) to colour chart on label.