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Macherey-Nagel Visocolor ECO Phosphate

Macherey-Nagel Visocolor ECO Phosphate

  • Facilitates a reliable determination of the phosphate content
  • Sufficient for approx. 80 tests
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Phosphate is one of the most important aquatic plant nutrients and thus ought to be present in the water in sufficient levels at all times. Standard phosphate tests for aquaristic purposes often have a very short useful life or are quite imprecise. The Visocolor ECO tests by Macherey-Nagel are colorimetric and unite a high precision with a long useful life. They are excellent for exact determination of the phosphate levels in an aquarium. The test measures PO4-P, which can then be calculated to PO4 with the included table.

Together with phosphate ions, ammonium molybdate forms phosphorous molybdenum acid. This is reduced to molybdenum blue (reaction basis in analogy to DIN EN ISO 6878-D11).


  • Measuring range: 0 · 0,2 · 0,3 · 0,5 · 0,7 · 1 · 2 · 3 · 5 mg/l PO4-P
  • Inclusive table for calculating to PO4
  • Sufficient for 80 tests
  • Suitable for seawater: yes
  • Suitable for PF-12

Product safety

Safety information in accordance with GHS


Signal word: Danger

  • EUH031 Contact with acids liberates toxic gas
  • H315 Causes skin irritation
  • H318 Causes serious eye damage
  • H319 Causes serious eye irritation



The Germany company Macherey-Nagel GmbH & Co. KG has a long tradition, as it was founded in 1911. This company is an important manufacturer of chemical analytic products for professional use. Due to its specialisation in water tests, Macherey-Nagel is able to offer a vast product range particularly suitable for aquascapes and planted tanks. In the aquascaping and planted tank hobby, the colorimetric line of water tests Visocolor has gained a very good reputation, as these tests are very exact and have a long useful life.

Compared with many water test manufacturers that produce purely for aquaristic purposes, the knowledgeable customer service offered by Macherey-Nagel is on another level. This company helps their customers very well should they happen to run into a problem. For those interested in precise water tests the products by Macherey-Nagel are recommended as they will definitely meet their expectations.

General information

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This item has been rated 5 out of 5 stars
7 Reviews
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Ralf M.
27th February 2017
Macherey-Nagel - Visocolor ECO - Phosphate - Test kit
Macherey-Nagel - Visocolor ECO - Phosphate - Test kit

Dieser Test lässt sich sehr genau ablesen. Auch mit nur zwei Reagenzien wesentlich einfacher in der Handhabung als bei anderen Herstellern. (read more)

Reinhart S.
Sehr empfehlenswert für Natur-und Schwimmteichbesitzer
18th November 2014
Macherey-Nagel - Visocolor ECO - Phosphate - Test kit
Macherey-Nagel - Visocolor ECO - Phosphate - Test kit

Im Natur-(Schwimm)teich ist das Auftreten von Algen eines der größten Probleme, und da z. B. Fadenalgen schon bei 1 ppm Phosphat wachsen können, ist es wichtig zu wissen, wie... (read more)

Ben M.
Top Test!
23rd December 2015
Macherey-Nagel - Visocolor ECO - Phosphate - Test kit
Macherey-Nagel - Visocolor ECO - Phosphate - Test kit

Einfach durchzuführen und gut abzulesen. Enthält alles was man braucht, inklusive wertiger Gläser. Praktisch auch, dass dieser Test aus zwei Flüssigkeiten besteht, und man... (read more)

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