PondMaster Watercolors Lake and Pond Dye, Shimmer Blue, 1-Gallon Brand_Spectracide Millions of them are now

Millions of them are now installed on homes and business structures to protect against wind conditions that can cause waste gases to spill back into the structure through the appliance draft hood

Simple and easy to use

Features 1/2 in shank

It features a design and measures

These cartridges are low-profile for improved field of vision

PondMaster Watercolors Lake and Pond Dye, Shimmer Blue, 1-Gallon Brand_Spectracide Millions of them are nowGordon's, gallon, concentrate, pondmaster watercolors shimmer blue, contains blue colorant, imparts an inviting shimmer blue color to lakes and ponds; may be immediately used for fishing, swimming, irrigation and watering livestock; won't harm people, horses, livestock, fish or other aquatic species; treats one acre of water four feet deep; use at 32 ounces per acre foot of water; easy to understand dilution instructions for the most common pond sizes.