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Has anyone added food coloring to the plants solution just to see what happens. I was wondering if it would change the color of the fruit. like adding blue to a yellow sqaush might make it green. Or if you added lots of red would it make your tomotoes even red'er.
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I can't say I have ever even thought about doing that, it seems plausible anyway.
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I was thinking of a potatoe plant, every week chnage out teh solution with a new color. maybe this would give the potatoe different colors inside from when it was grwoing with each color? almost like tree rings? I would enter them as easter egg potatoes.
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If adding color to the
nutrient solution does work, I don't think you would get anything like tree rings by changing the color each week. It would probably just wind up being a combination of all the colors at the end.