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Susannah from Dana Point, Ca writes

Why is liquid copper concentrate blue?

Answer:

The color of a particular product such as Bonide Liquid Copper Fungicide Concentrate can depend on the active ingredients, stabilizers, and manufacturer's preference. Many lawn and garden products have a bright color such as blue so that the areas that have been sprayed are easily identified when the product is applied.

Answer last updated on: 07/28/2016

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