Cold-Water Pond Bacteria

Prepare ponds for fall, winter and early spring with bacteria treatments intended for lower water temperatures. Choose between Autumn Prep and Winter Blend according to the season, water temperature, product format and label directions.

Autumn Prep or Winter Blend?

• Autumn Prep is a sinking seasonal treatment for organic bottom muck and debris.
• Winter Blend is a liquid cold-water bacteria treatment for seasonal water-care programs.

Use the exact temperature limits and application schedule printed on the product label. Do not apply a warm-season maintenance schedule automatically during cold conditions.

Seasonal planning

Remove excess leaves and debris when practical, maintain appropriate circulation or aeration for the pond and calculate pond volume before selecting a size. Compare additional bottom-care options in Muck & Sludge Removers.

Common questions

When should I switch to a cold-water treatment?

Use measured water temperature and the operating range on the individual label rather than choosing by calendar date alone.

Can Autumn Prep and Winter Blend be used together?

Follow their individual directions and only combine or sequence products when the label-supported treatment plan allows it.