Description:

Silica is present in tap water and many supplements. Excess silica promotes brown algae, or diatoms, within the aquarium.

Red Sea Test kits offer easy to use color charts for proper interpretation. You do not have to look at slightly varried shades of pink or yellow when you use a Red Sea kit.

• Performs 50 tests. Range 0ppm-0.5ppm
• Detects as little as 0.05ppm.