This proven blend of beneficial bacteria and cold water strains are dosed specifically for cold water applications in the spring and fall.

• Great for early spring and late fall treatments
• Works in water temperatures as low as 38 F
• Allows quicker spring startup and longer late season action

Initial Dose: 6 fl oz per 1,000 gallons 

Maintenance Dose: 3 fl oz per 1,000 gallons