Stain and Scale Control (1 L) by Pool Supplies Canada

It is highly recommended to add Stain and Scale Control to your water when starting up a new pool. 

For normal hardness and material content:

• Initial Dosage: 120 mL per 10,000 L
• Weekly Dosage: 30 mL per 10,000 L

For extremly hard water (over 200ppm), high iron, copper or manganese (over 0.1ppm): 

• Initial Dosage: 240 mL per 10,000 L of water
• Weekly Dosage: Follow weekly schedule above 

Pool Supplies Canada Stain and Scale Control comes in a 1 Litre Bottle.