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The longer you let it go the darker the solution. I have made some real black looking solutions. It doesn't hurt a thing. It makes a high parts per million solution. Use a coffee filter or several thickness of paper towels over a strainer. Pore the black solution with the particles of black silver oxide floating around through this filter. The result will look almost clear.

The golden-yellow will show up over the next few days. Keep it in a dark place or dark bottle. The longer you let it set the better (finer particles) it gets. Your voltage is not too high. I use 5 to 6 times what you used. Don't worry about the color - this is normal. I make it without honey.