How to Winterize or Close your BioGuard® Soft Swim® or biguanide pool

UP TO 10,000 GALLONS
1 bottle Soft Swim® "C"
PLUS Top Soft Swim® "B" level to 50 ppm
up to 1 quart BioGuard® Winter Algicide 40
Plus Top off Optimizer Plus® (about 5 lb)

10,000 TO 20,000 GALLONS
2 bottles Soft Swim® "C"
PLUS Top SoftSwim® "B" level to 50 ppm
1 - 2 quarts BioGuard® Winter Algicide 40
Plus Top off Optimizer Plus® (about 10 lb)

20,000 TO 30,000 GALLONS
3 bottles Soft Swim® "C"
PLUS Top Soft Swim® "B" level to 50 ppm
2 - 3 quarts BioGuard® Winter Algicide 40
Plus Top off Optimizer Plus® (about 15 lb)

OVER 30,000 GALLONS
4 bottles Soft Swim® "C"
PLUS Top Soft Swim® "B" level to 50 ppm
4 quarts BioGuard® Winter Algicide 40 (use 1 qt per 10,000 gallons or any part of)
Plus Top off Optimizer Plus® (about 20 lb)

ALL POOLS:
Adjust pH as needed
Clean Liner with BioGuard® Off the Wall or Surface Cleaner
Clean Filter with Soft Swim® Filter Cleaner
Clean ladder treads and Solar Blanket with BioGuard® Stow Away
Allow winter chemicals to circulate for 1 hour
Leave Water level at normal swimming level
See Fall Winterizing Checklist for more detailed information


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