Tropic Marin Phosphate-Test saltwater/freshwater

Tropic Marin Phosphate-Test saltwater/freshwater

EUR 13,90

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Whitecorals – Meerwasser Shop – Korallen – Anemonen

Tropic Marin Phosphate-Test saltwater/freshwater

Product.Nr. TM300028100

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product description

Manufacturer: Tropic Marin

For determining the phosphate concentration


Phosphates are important nutrients for all plants and essential for energy metabolism in every living cell. Phosphates are introduced into aquarium water by foodstuffs, but also by decaying plant matter and the decomposing organic materials. As long as phosphate is reduced to a low level by plants present in the water there is a dynamic balance between supply and demand. An uncontrolled rise in the phosphate content can cause problems, such as heavy algae growth for example. In the marine aquarium coral growth is also severely impeded, as the crystallization of calcium carbonate needed for the formation of the calcium carbonate skeleton is hindered by the presence of phosphates.


The phosphate value in natural seawater is approximately 0.06 ppm. This value, however, is considerably less in coral reef areas; normally concentrations of between 0.01 and 0.02 ppm are to be found. With the Tropic Marin® PHOSPHATE-TEST the phosphate content can be determined using a finely-tuned color chart which has a concentration range of 0.02 – 3 ppm.



For determining the phosphate concentration
Sufficient for approximately 30 applications
The phosphate content can be determined using a comparator and a finely-tuned color chart which has a concentration range of 0.02 – 3 ppm
Including a reference solution for checking the functionality of the reagents

How to use:


1. Shake the dropper bottle before use!


2. Rinse the glass vials several times with the water sample to be tested. Use the dosing syringe to inject 5 ml of the water sample into each of the vials.


3. Now add 10 drops (to saltwater) or 12 drops (to freshwater) of phosphate test reagent A to one of the vials, close the vial with the stopper provided and briefly shake the solution.


4. Next add 3 drops of test reagent B; close the vial again and shake briefly.


5. After 60 seconds of development time open the test vial and place both vials in the comparator. Place the comparator on the correct color chart (salt or freshwater) so that the vial with the clear water sample comes to rest on a colored field and the test vial on the white field underneath. Look into the opened vials from above and move the comparator on the color chart until both vials display the same color. Read the phosphate concentration from below the matching color field.


Reference solution C:
The reliability of the test should be tested for phosphate concentrations below 0.1 ppm. For this purpose, add three drops of reagent C to a new sample. If the test shows a green-blue color development then, the reliability of the reagents is still ensured.


If your water has a phosphate concentration which is too high, we recommend that you:
- Check food quantity and reduce if necessary
- Check the amount of livestock and reduce if necessary
- Remove detritus, dead plants and other waste materials
- Encourage plant growth (in marine aquariums: Caulerpas and soft corals)
- Carry out a partial water change
- Use a highly efficient phosphate adsorber
- Use of products for removal of nutrients, such as from the Tropic Marin® BIO-ACTIF PROFESSIONAL LINE

Safety advice:
Keep out of reach of children!
Do not add water to the reagents!


Phosphate test reagent A contains sulphuric acid • Causes severe burns • If this reagent comes into contact with skin or eyes, rinse thoroughly with freshwater and consult a doctor • In case of accident or illness contact a doctor immediately, taking this packaging with you.


Storage life:
The reagents can be used for 12 months after the first use. When the detection capability of the test is no longer sufficient, no color development will be seen even at elevated phosphate levels. The reliability of the test could be tested with reagent C.

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