- Club Express magazine
- Plan your purchase
- Safety and regulations
- Water analysis
- Health Briefs
- Tips and advices
Water hardness depends on the calcium and magnesium content of the water. Different factors affect the water hardness test results such alkalinity, pH and chlorine levels. It is therefore important to balance these before testing for hardness.
- To increase hardness: use Club Piscine Super Fitness Calcium Plus.
- To reduce hardness: use Control Cop or any other product that removes minerals from water.