True Blue Liquid
True Blue is an environmentally pleasing natural blue water dye without producing an artificial appearance. True blue helps to block out sunlight to reduce growth of weeds and algae in ponds, parks and golf courses. This 1 gallon jug is easy for smaller pond owners to top up the color. 1 liter covers a pond 70' x 100' and is very cost effective weed and algae control.
Pond Perfections inc. Catalog