Blue Thumb Professional Foam Cleaner 12oz DeWitt Blue Thumb Pond Dye is

Blue Thumb Pond Dye is a non-toxic dye designed to help keep water sparkling clean and cool

Includes one mesh bag

This advanced beneficial bacteria treatment was designed based on the strains used by the world's leading commercial fish farms to improve their water quality

Quiet and compact design

Size UPC Code Treatment Area 4oz Bale 855938000017 500 Gallons (3) 4oz Bales 855938000024 1

Blue Thumb Professional Foam Cleaner 12oz DeWitt Blue Thumb Pond Dye isPB1533 12oz Professional Foam Cleaner Use to remove uncured foam on surfaces and to flush the foam gun to ensure its optimal operation. If not cleaned when wet, most waterfall foam becomes extremely hard (even impossible) to remove once dried.