Tropic Marin - Refill Pack NO2/NO3 Test - Freshwater / Saltwater

With the Tropic Marin Refill Pack NO2/NO3 Test, you can easily and reliably monitor the quality of your aquarium water. This refill set is suitable for both freshwater and saltwater aquariums and offers...

With the Tropic Marin Refill Pack NO2/NO3 Test, you can easily and reliably monitor the quality of your aquarium water. This refill kit is suitable for both freshwater and saltwater aquariums and offers the precision you expect from Tropic Marin. Regular monitoring of nitrite (NO2) and nitrate (NO3) is essential for a healthy living environment for fish, corals, and other aquarium inhabitants.

Why nitrite and nitrate control is indispensable

Nitrite and nitrate are invisible but crucial parameters in every aquarium. Nitrite is formed as an intermediate product during the biological breakdown of ammonium. Even low concentrations of nitrite are toxic to fish, particularly in freshwater. Nitrate is less harmful, but high levels can lead to excessive algae growth and inhibit the growth of sensitive corals in saltwater aquariums.

• Protects your fish and corals against harmful water parameters
• Prevents unwanted algae growth
• Supports a stable, healthy aquarium balance

Precise measurements for every aquarium

The Tropic Marin NO2/NO3 Test uses a carefully calibrated color chart, allowing you to quickly and accurately read current water values. This way, you always know whether your aquarium water is safe for all its inhabitants.

• Nitrite measuring range: 0 – 2.0 mg/l (ppm)
• Nitrate measurement range: 0.5 – 50 mg/l (ppm)
• High accuracy: NO2 up to 0.02 mg/l, NO3 up to 0.5 mg/l
• Sufficient for approximately 50 tests

Easy to use

This refill pack is intended for use with the original Tropic Marin test kit. Thanks to the clear instructions, you can perform every test quickly and flawlessly. This keeps water management organized, even for novice aquarists.

• Fast test procedure with clear steps
• Results visible within minutes
• Suitable for both beginner and experienced aquarists

Optimal water parameters for every type of aquarium

With this test, you can easily adhere to the recommended values:

• Nitrite: always lower than 0.2 mg/l
• Nitrate (seawater): maximum 20 mg/l, preferably below 10 mg/l for hard corals
• Nitrate (freshwater): preferably below 50 mg/l

Regular testing helps detect problems early and prevents stress or harm to your aquarium inhabitants.

Tips for abnormal measurement results

• Check the food quantity and adjust it if necessary.
• Regulate the stocking of your aquarium
• Regularly change a portion of the water
• Use Tropic Marin NP-BACTO-BALANCE or NP-BACTO-PELLETS for long-term nitrate reduction.

Reliable quality from Tropic Marin

As a specialist in high-quality aquarium products, Tropic Marin guarantees accuracy and ease of use. Store the test reagents in a cool, dark place after opening for an optimal shelf life of six months.

• Refill pack for Tropic Marin NO2/NO3 test kit
• Suitable for fresh and saltwater
• Professional quality, trusted by aquarists worldwide

With the Tropic Marin Refill Pack NO2/NO3 Test, you maintain control over your aquarium water and ensure a healthy, clear living environment. Ideal for those who want to leave nothing to chance!