Save money by just refilling your test kit instead of continually replacing the whole box.

The refill kit includes:

• Test Solution No. 2 - pH testing solution
• Test Solution No. 3 - Acid Demand & Total Alkalinity Test
• Test Solution No. 4 - Chlorine Neutralizer
• Test Solution No. 5 - Total Alkalinity Test
• 50 Rapid Dissolving Lovibond DPD tablets