Yes. You can layer substrate in any tank. However, if your plants can grow fine in gravel, they can grow fine in colored gravel, just make sure the colored gravel is safe for aquariums.
The substrate for the enzyme phenolase is phenol.
bream
Not sure of the reaction you are referring to, but in general think of it like adding food coloring into water. The more food coloring you add the more color you get.
There are pink colored rocks for fish tanks, look in the pet department or go to a store that sells aquarium supplies. Craft stores usually have colored rocks.
A chromogenic substrate test is a method used to detect and measure enzymatic activity. A chromogenic substrate is a compound that is cleaved by an enzyme to produce a colored product, allowing for visual or spectrophotometric measurement of the enzyme activity. This test is commonly used in various fields such as clinical diagnostics, research, and food testing to quantify enzyme levels or activity.
colourful tank.
a coral
Decoration, fill it with different colored rocks pretty looking crystals and so on. It looks great.
In studies that have been conducted, it seems that bright colored accessories in an aquarium help fish live longer, and appear more active. So, since the colorful objects are appealing to humans, so it seems they are also appreciated by the fish.
Dye and nitric acid are different. A dye is a colored substance that has an affinity to the substrate to which it is being applied. The dye is generally applied in an aqueous solution, and requires a mordant to improve the fastness of the dye on the fiber.
you get a different colored baby sea turtles, at the moment i only got rainbow sea turtles from mating them. but i saw some say's that there are more variety of colors.
A white or light-colored backdrop would be most suitable for creating a vibrant and eye-catching mural, as it allows the colors to pop and stand out.