Pond Force™ Pond Bacteria Cold Water Blocks LED Eliminates most planktonic and filamentous

Eliminates most planktonic and filamentous algae quickly and efficiently

while biological gravel media facilitates beneficial bacteria growth

500 Gallons (3) 8oz Bales 855938000048 3

healthy and algae-free over the long haul

These filters give a true final polish to the water

Pond Force™ Pond Bacteria Cold Water Blocks LED Eliminates most planktonic and filamentousPond Force Pond Bacteria Coldwater Blocks contains strains of beneficial bacteria that work naturally to clarify water and reduce sludge. This treatment is specifically designed for spring and fall, working in water temperatures between 35 and 95 degrees Fahrenheit. Each packet treats up to 1000 gallons.