Alkalinity Up Increases pH and Total Alkalinity in swimming pools. BENEFITS: Stabilises pH level Essential for swimmer comfort Dosage Rate: 200g will raise the Total Alkalinity by 10ppm per 10,000 Litres Pour directly into water prior to use or mix in a bucket of water as per the label instructions. Dosage rates indicated are a guide only. Please refer to the label on the bottle for further instructions. We recommend that you obtain advice from your Zodiac Pool Professional before adding any treatment to your pool or spa.