Nitrate is the third product of the nitrogen cycle, formed through the breakdown and conversion of ammonia and ammonium to nitrite and then to nitrate by aerobic and anaerobic bacteria within the filtration system. In a coral tank, the amount of nitrate is of high importance and is one of the primary concerns for aquarists.

Both low and high levels of nitrate can pose problems for the aquarium. High nitrate levels can cause toxicity in aquatic life, promote unwanted algae growth, and result in the browning of coral colors. Conversely, low levels of nitrate (close to zero) can lead to reduced growth, glassy and whitening of corals, and lack of pigmentation, ultimately resulting in coral death. This phenomenon intensifies when high hardness and very low nitrate levels are present, causing SPS corals to burn from the tips. Therefore, the nitrate level in the aquarium should always be closely monitored, and the best results are achieved when nitrate levels are stabilized just like other parameters in the system.

a) Overfeeding fish and corals, leading to sedimentation and water pollution.

b) Weak or dirty filtration.

c) Zero phosphate levels.

d) Infrequent and irregular water changes.

e) An imbalance between the number of fish and the biological filtration capacity of the tank.

f) Low-quality salts contaminated with nitrates.

The Ocean Lab Nitrate Test Kit allows you to measure nitrate levels with maximum accuracy and high resolution in the shortest possible time.

Using the syringe provided, draw 1 cc of aquarium water and place it into the test vial.

Add 4 drops of Solution A to the test vial and gently shake for 10 seconds.

Using the small spoon, add one level scoop of Powder B to the solution and gently shake for 10 seconds.

Let the test vial sit undisturbed for 3 minutes in an appropriate location.

Compare the color obtained from the test with the color chart on the back page and read the nitrate level.

It is best to maintain nitrate levels below 15-20 mg per liter in all saltwater aquariums, whether coral tanks or fish-only tanks. Elevated nitrate levels can lead to unwanted algae growth, darkening of coral colors, and, at higher levels, can cause toxicity to aquatic life. If nitrate levels exceed 15-20 mg per liter, it is recommended to perform partial water changes to bring the levels back to acceptable ranges, or use Deep Ocean Nitrate & Phosphate Remover to control and maintain nitrate levels within the permissible range. If nitrate levels are close to zero, use Deep Ocean Bio Nitrate to prevent bleaching and loss of color in corals.

a) After use, rinse the test vial with R/O or distilled water and allow it to dry.

b) Store the test kit out of reach of children and at room temperature.

c) In case of contact with skin or eyes, rinse thoroughly with water.

d) To extend the product’s lifespan, close the lid of each solution promptly after use.