Is Food Coloring Bad For Fish. We do not recommend putting natural food coloring in your fish tank. Natural food coloring can be made from a wide range of vegetables. Food coloring that is ok for humans to eat such as many vegetable-based dyes should not be harmful to fishHowever as with most things in life too much food.

We do not recommend putting natural food coloring in your fish tank. Natural food coloring can be made from a wide range of vegetables. Food coloring that is ok for humans to eat such as many vegetable-based dyes should not be harmful to fishHowever as with most things in life too much food.
Food coloring that is ok for humans to eat such as many vegetable-based dyes should not be harmful to fishHowever as with most things in life too much food.
We do not recommend putting natural food coloring in your fish tank. Food coloring that is ok for humans to eat such as many vegetable-based dyes should not be harmful to fishHowever as with most things in life too much food. We do not recommend putting natural food coloring in your fish tank. Natural food coloring can be made from a wide range of vegetables.