Test sets

The Colombo KH Test is an accurate and user-friendly test kit for measuring the carbonate hardness (KH) in pond water. The KH value is one of the most important parameters in the pond, because it determines the buffering capacity of the water. This means that the KH value directly affects the stability of the pH value.

A KH value that is too low can lead to strong pH fluctuations, which causes stress and health problems in fish. Furthermore, beneficial bacteria that break down waste products such as ammonia and nitrite function less effectively at an unstable pH. The result is that the water quality deteriorates, which can lead to cloudy water, algae growth, and an unhealthy pond environment.

With the Colombo KH Test, you can easily and reliably check whether the KH value in your pond is at the right level. The test is easy to use: with a water sample and the included reagents, you can read the result within a few minutes. The clear color comparison makes it possible to quickly determine whether the KH value is correct or whether adjustment with a product such as Colombo KH+ is necessary.

By regularly testing the KH value, you prevent problems and ensure a stable and healthy environment in which fish, plants, and bacteria function optimally. This contributes not only to better water quality, but also to clear water and a balanced pond.

The Colombo KH Test is therefore an indispensable tool for both beginner and experienced pond enthusiasts. It helps you keep the water quality under control and gives you the assurance that your pond remains balanced, so that you can fully enjoy healthy fish and a beautiful pond.

The Colombo Water Test Lab is a complete and reliable solution for accurately analyzing the water quality in your pond. A stable pond environment is of great importance for the health of fish, plants, and the bacterial culture that ensures a natural balance. With this test set, you will get a complete overview of the most important water values in a short time, so you can intervene immediately when necessary.

The set offers the possibility to measure the pH value, KH (carbonate hardness), GH (total hardness), NO2 (nitrite), NO3 (nitrate), and NH3 (ammonia). These are the six essential parameters that determine whether the pond water is healthy and whether the ecosystem is functioning optimally. An abnormal value can lead to problems such as stress in fish, poor plant growth, or even fish mortality. With the Colombo Water Test Lab, these problems can be detected and solved in time.

The test set is user-friendly and comes with a clear manual and a color chart with which you can easily read and interpret the measurement results. This makes the set suitable for both beginner and experienced pond enthusiasts. Regularly testing the water gives insight into the development of the pond environment and makes it possible to act preventively, instead of only when problems arise.

Thanks to the accuracy and reliability of the Colombo Water Test Lab, you can count on clear and useful results. It enables you to use the right products or measures to improve the water quality and keep your pond in optimal condition.

This test set is an indispensable tool for every pond owner who takes the well-being of their fish and plants seriously. With the Colombo Water Test Lab, you always keep control over the water quality and can enjoy a healthy and clear pond.

Product Content – GH Test – Colombo

The GH Test by Colombo is a reliable and accurate testing kit specially developed to measure the general hardness (GH) of pond and aquarium water. General hardness indicates the concentration of calcium and magnesium ions in the water, which is crucial for the well-being of fish, plants, and other aquatic organisms. A correct GH level contributes to a stable and healthy ecosystem in your pond or aquarium.

The product is suitable for both freshwater and ornamental ponds and can be used by both hobbyists and professional pond and aquarium managers. Using the GH Test helps monitor water quality, identify abnormalities, and prevent health problems in fish and other aquatic animals that are sensitive to water hardness.

The test is easy to use and quickly provides reliable results. By regularly checking the GH level of your pond or aquarium, you can take early action and, if necessary, treat the water to maintain optimal conditions. This is essential for promoting the growth of aquatic plants, preventing stress in fish, and maintaining a healthy and stable aquatic environment.

Key features:

• Measures the general hardness (GH) of pond and aquarium water.

• Reliable and accurate for freshwater and ornamental ponds.

• Helps maintain a healthy ecosystem for fish and plants.

• Easy to use with quick and reliable results.

• Suitable for both private and professional applications.

• Supports water management by detecting abnormalities in hardness early.

• Promotes optimal plant growth and fish health.

In short, the GH Test – Colombo is an essential tool for anyone striving for an optimal pond or aquarium environment. It provides accurate and reliable information about water hardness, allowing you to take targeted action to maintain a healthy and stable ecosystem. Regular use of this test helps prevent problems and contributes to a beautiful, well-maintained pond or aquarium environment.

The Colombo NO2 Test is an accurate and user-friendly test kit that allows you to easily measure the nitrite level in your pond water. Nitrite (NO2) is a toxic substance that is produced during the breakdown of ammonia by bacteria in the biological filter. Although this substance is an intermediate product in the nitrogen cycle, an elevated nitrite level can be harmful to fish and even lead to death.

Too high a concentration of nitrite hinders oxygen uptake in the blood of fish, which leads to stress, suffocation and a weakened immune system. This can, in turn, cause infections and diseases. Therefore, it is very important to test the NO2 level regularly, especially in new ponds or after cleaning or replacing filter material, when the biological balance has not yet fully recovered.

The Colombo NO2 Test makes it possible to quickly and reliably check whether nitrite levels remain within safe limits. The test works with a simple color comparison: a water sample is treated with reagents, after which the color is compared with the included chart. This gives you a clear picture of the water quality in just a few minutes.

By using the NO2 Test regularly, you can take corrective measures in time, such as improving filtration, reducing the amount of food, or performing a partial water change. This helps to keep the pond environment stable and prevent problems.

The Colombo NO2 Test is therefore an indispensable tool for any pond enthusiast who wants to protect the well-being of their fish. With this test, you can easily keep the water quality under control and enjoy a healthy, clear pond in which fish and plants thrive optimally.

The Colombo NH3 Test is an accurate and essential test kit for measuring ammonia in pond water. Ammonia (NH3) is one of the most toxic substances for fish and can cause serious damage to their health even in small concentrations. It is mainly produced by fish waste, decaying organic matter and excess fish food. Especially in ponds with a high fish population or insufficient filtration, ammonia levels can rise quickly and pose a threat to the entire ecosystem.

Elevated ammonia levels disrupt fish respiration by affecting their gills. This leads to stress, oxygen deficiency and an increased risk of disease. In severe cases, excessively high NH3 levels can even be fatal. Therefore, regularly measuring ammonia is crucial to detect and address problems in time before they seriously affect the pond population.

The Colombo NH3 Test is easy to use and provides reliable results within a few minutes. Using a small amount of pond water and the included reagents, a color reaction is produced that you can compare with the clear color chart. This allows you to quickly determine whether the ammonia level remains within safe limits or whether action is required.

By using the NH3 Test frequently, you keep control of the water quality and can take corrective measures, such as improving filtration, reducing feeding or performing a water change. This keeps the pond environment stable and healthy and provides fish and plants with the best conditions to thrive.

The Colombo NH3 Test is suitable for both beginner and experienced pond enthusiasts and is an essential tool for anyone who takes the well-being of their fish seriously. With this test, you prevent hidden dangers from undermining the water quality and ensure a healthy and balanced pond.

The Colombo PO4 Phosphate Test is a reliable and accurate test kit specially developed to measure the phosphate levels in pond water. Phosphates are important nutrients for plants, but when levels become too high, they are the main cause of excessive algae growth. This often leads to green and cloudy water and can disrupt the biological balance in the pond.

With the Colombo PO4 test, you can quickly and easily determine the phosphate levels and take corrective action if necessary. Regular monitoring of phosphate is essential to prevent algae problems and ensure that your pond remains clear and healthy. The test uses a simple color comparison method, making the results easy to read immediately. This makes the test suitable for both beginner and experienced pond enthusiasts.

By gaining insight into the phosphate levels, you can better respond to the needs of your pond and fish. Levels that are too high can indicate an excess of organic waste, such as leftover food, leaves, or excrement. By intervening early, you prevent the water quality from deteriorating and keep fish and plants from becoming stressed.

The Colombo PO4 Phosphate Test is an indispensable tool for anyone aiming for a healthy, stable, and clear pond. With regular measurements, you keep control of the water quality and can enjoy a pond in which fish, plants, and bacteria thrive optimally.

The Colombo pH Test is a reliable and user-friendly test kit for measuring the acidity of pond water. The pH level is one of the most important parameters in the pond and has a direct impact on the health of fish, the growth of plants, and the activity of beneficial bacteria. A stable and correct pH is therefore essential for a healthy and balanced pond environment.

When the pH level is too high or too low, this can lead to stress in fish, reduced plant growth, and a disrupted bacterial culture that breaks down waste products in the water. By regularly testing the pH level with this Colombo kit, you get immediate insight into the water quality and can adjust in time when necessary.

The test kit is easy to use: a small amount of pond water is tested using the included reagents, after which the color of the water is compared with a clear color chart. This way, you can quickly and accurately read the pH level and determine whether adjustments are necessary.

The Colombo pH Test is suitable for both beginner and experienced pond enthusiasts. By testing regularly, the water quality remains stable, resulting in a healthy pond in which fish feel comfortable and plants grow optimally.

With this pH test, you always keep control of the water parameters and prevent problems that can disrupt the pond environment. It is an indispensable tool for anyone who wants to maintain a clear, stable, and healthy pond.

The Colombo NO3 (Nitrate) Test is a reliable and accurate test kit that allows you to easily measure the nitrate levels in your pond water. Nitrate is formed as the end product of the biological decomposition of waste products such as food scraps, excrement, and organic material. Although nitrate is less toxic than ammonia or nitrite, a high concentration can lead to poor water quality and excessive algae growth.

By regularly checking the nitrate levels, you can intervene in time and take measures to keep the pond environment healthy. An elevated NO3 level can, for example, indicate an overloaded filter, too much food, or an accumulation of organic waste. Detecting such problems early helps restore the balance in the pond and prevents fish and plants from suffering.

The test kit is easy to use and works with a color comparison system. A small amount of pond water is mixed with the reagent, after which the resulting color is compared with the included chart. This allows you to quickly and accurately read the nitrate level and determine whether measures are needed.

The Colombo NO3 Test is suitable for both beginner and experienced pond enthusiasts. With regular measurements, you will always stay informed about the water quality and can ensure a stable and healthy environment in which fish, plants, and beneficial bacteria function optimally.

With this test kit, you have a practical and effective tool to keep the water quality of your pond under control and prevent problems such as algae growth or fish stress.

Accurate 3-in-1 TDS meter for aquarium and pond water. Measures 3 different values: Conductivity, Total Dissolved Solids (TDS) and Temperature. Calibration is not required.

Accurate pH meter for aquarium and pond water. Measures pH from 0.00 to 14.00

(accuracy to 0.02 ). Automatic calibration (1-point and 2-point calibration). Calibration powders are included.

The Marine Iron Test (Colour 3) from Colombo is a simple and accurate way to measure the iron content in your saltwater aquarium. The correct level of iron is crucial for the health of your aquarium plants and the maintenance of water quality. This test kit helps you maintain the right balance and keep your aquarium in top condition

With the Aqua Quicktest 6 by Colombo, you can quickly and easily measure the most important water parameters in your aquarium. These handy test strips offer a fast and reliable method to check six essential water parameters, including pH, KH, GH, nitrite, nitrate, and ammonia.

Thanks to the user-friendly design of the test strips, you can perform accurate measurements within a few seconds. Simply dip the strip in your aquarium water, wait a few seconds, and then compare the colors of the test fields with the included color chart. This gives you an immediate, clear picture of the water quality in your aquarium.

The Aqua Quicktest 6 strips are packaged in convenient bottles of 50 strips, providing you with a sufficient supply for multiple testing sessions. This makes them ideal for both regular use and occasional checks. Furthermore, the test strips are suitable for both freshwater and saltwater aquariums.

For a simple and reliable check of the magnesium level in the saltwater aquarium

The magnesium level can be increased with sera marin COMPONENT 6 magnesium. The range depends on the calcium level of the water being tested.

This test determines the calcium content extremely accurately in increments of 20 mg/l

For approx. 7,500 mg of calcium. If the Ca level is too low, add sera marin COMPONENT 1 Ca. If levels are elevated, it helps to replace part of the water.

An experienced saltwater aquarium enthusiast regularly checks the water in their aquarium. Only in this way can a problem be addressed before it becomes dangerous for the sensitive animals.

The sera aqua-test box marin contains the following tests:

• pH value
• carbonate hardness
• ammonium/ammonia
• nitrite
• nitrate
• phosphate
• copper
• calcium

With the sera Chlorine Test Cl, you can easily check the chlorine level in aquarium water. Chlorine can enter the aquarium through tap water and is harmful to fish, plants, and beneficial bacteria. By testing the water regularly, you can quickly determine whether the aquarium water is safe and take targeted action when the chlorine level is too high.

This test is particularly useful when changing water, setting up a new aquarium, or when you want to check tap water before it comes into contact with fish. According to MaJa Koi, the contents are sufficient for approximately 45 tests. Chlorine in freshwater can be addressed immediately using suitable water conditioners such as sera toxivec or products that make tap water safe for fish.

Key points

• Measures the chlorine level in aquarium water
• Suitable for testing tap water and aquarium water
• Helps identify harmful chlorine levels early
• Important for water changes and setting up an aquarium
• Supports a safe environment for fish, plants, and bacteria
• Easy to use for regular water testing
• Sufficient for approximately 45 tests
• Ideal as part of professional aquarium maintenance
• Quickly determines whether water needs to be treated first
• Can be combined with suitable water conditioners when chlorine levels are elevated

With the Sera IJzer Test Fe, you can easily check the iron content in aquarium water. Iron is an important nutrient for aquarium plants and plays a major role in healthy, vigorous plant growth. When plants develop pale leaves or look less vibrant, this may indicate an iron deficiency. This test quickly provides insight into the Fe level, allowing you to make targeted adjustments.

The test is suitable for aquariums in which plants play an important role and helps to better tailor fertilization to the current water parameters. According to MaJa Koi, a deficiency can be specifically addressed with plant nutrients such as sera florena or sera florenette. Chelated, stabilized iron can also be measured with this test. The contents are sufficient for approximately 75 tests.

Key points

• Measures the iron content in aquarium water
• Helps to identify iron deficiency in aquarium plants early
• Important for healthy and vigorous plant growth
• Practical for plants with pale leaves
• Suitable for more targeted fertilization
• Also measures chelated / stabilized iron
• Ideal for planted aquariums and aquascapes
• Supports better control over water quality
• Simple test for regular aquarium maintenance
• Sufficient for approximately 75 tests