manganese sulfate

or through the holes in the bottom cap

Measure the liquid concentrate using the label application rate of 4 fluid ounces of concentrate per gallon of water

zinc sulfate

A great alternative for someone who does not want to wear a full bee suit when inspecting hives

Tingley Airgo Ultra Lightweight Boot Pet manganese sulfate70 percent lighter than other waterproof rubber and pvc knee boots 100 percent seamless waterproof construction Tiny air bubbles self insulate, keeping feet warmer in the cold and cooler in the heat Great low temperature properties for flexibility and durability Cleated outsole design for good traction Product Details BCI Item #: 633656 Manufacturer #: 21141. 12 Color: BLACK Size: SZ 12 UPC Code: 081138002999 OM UM: 1 EA Case Pack: 4