SKU: 98481871966

Colombo Marine Testlab

Sale price$58.40 Regular price$64.89
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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12

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Description

Colombo Marine TestlabMarine Testlab. Den gngigsten Testkits in einem Koffer. Kompletter Testkoffer mit professionellen Trpfchentests zum Testen des Wassers in Ihrem Meerwasseraquarium. Testrhrchen, Farbkarten, Dosierspritze und Gebrauchsanweisung sind in dem Koffer enthalten. Werte knnen schnell & einfach getestet werden mit dem Marine Test Lab. Die Tests sind einfach zu bedienen und liefern zuverlssige Messergebnisse. Marine Testlabor. Mit dem Colombo Marine Test Lab

Marine Testlab.

Den gängigsten Testkits
in einem Koffer.


Kompletter Testkoffer mit professionellen Tröpfchentests zum Testen des Wassers in Ihrem Meerwasseraquarium. Teströhrchen, Farbkarten, Dosierspritze und Gebrauchsanweisung sind in dem Koffer enthalten.

Werte können schnell & einfach getestet werden
mit dem Marine Test Lab.


 

Die Tests sind einfach zu bedienen
und liefern zuverlässige Messergebnisse.


 

Marine-Testlabor.


Mit dem Colombo Marine Test Lab können wichtige Werte schnell und einfach getestet werden.
Machen Sie regelmäßig einen Wassertest, um sicherzustellen, dass das Wasser sauber und gesund für Ihre Fische ist.




Marine Test Lab

Testkoffer mit den gängigsten Tropftests für Meerwasser. Komplett mit allem notwendigen Zubehör und visualisierter Bedienungsanleitung. Verpackt in stabilem Kunststoffkoffer.

Enthält professionelle Tests für:

  • Karbonathärte
  • Calcium
  • Magnesium
  • Nitrat
  • Phosphat

Mit jedem Test können 40 Tests durchgeführt werden. Verbrauchtes Testmaterial kann mit den losen Colombo-Seewassertests wieder aufgefüllt werden.


Werte.


 

Die richtige Karbonathärte (KH) ist Voraussetzung für klares Teichwasser und gesunde Fische und Pflanzen sowie einen stabilen pH-Wert. Die KH ist ein Maß für die Gesamtmenge der gelösten Karbonate im Teichwasser. Wenn die KH zu niedrig ist, kann der pH-Wert schwanken, was für die Wasserlebewesen sehr schädlich ist.

Für das Wachstum ihres Kalkskeletts nehmen die Korallen Mineralien aus dem umgebenden Wasser auf. Calcium (Ca) ist neben Karbonaten und Magnesium ein wichtiges Element. Sobald Korallen in das Aquarium eingesetzt werden, müssen diese Werte mindestens wöchentlich getestet werden. Der optimale Wert für Calcium (Ca) liegt bei 400-430 mg/l .

Für das Wachstum ihres Kalkskeletts nehmen die Korallen Mineralien aus dem umgebenden Wasser auf. Magnesium (Mg) ist neben den Karbonaten und dem Kalzium ein wichtiges Element. Sobald Korallen in das Aquarium eingesetzt werden, ist es wichtig, diese Werte mindestens wöchentlich zu testen. Der optimale Wert für Magnesium (Mg) liegt bei 1250-1300 mg/l.

Nitrate (NO3) ist das Endprodukt des Abbaus von Ammoniak durch nitrifizierende Bakterien in Ihrem Teich. Nitrat ist nicht giftig für Fische und stellt somit kein direktes Problem für die Gesundheit Ihrer Fische dar, wie es Ammoniak oder Nitrit sind; hohe Konzentrationen können jedoch auf Dauer zu Algenproblemen führen. Wir empfehlen daher, den Nitratgehalt unter 50 mg/l zu halten.

Phosphat (chemisch abgekürzt als PO4) ist eines der Abfallprodukte, die von Fischen produziert werden. Phosphat ist für Fische nicht giftig und stellt daher kein direktes Problem für die Gesundheit der Fische dar, wie es Ammoniak oder Nitrit sind. Indirekt kann Phosphat jedoch zu Algenproblemen führen. Wir empfehlen daher, den Phosphatgehalt unter 1 mg/l zu halten.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
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  • To process your return/exchange, please contact us at [email protected]
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SKU: 98481871966

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4.2 ★★★★★
Based on 13 reviews
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Prashant Arora
Dallas, US
★★★★★ 5
Terrible delivery
This review is about product delivery. The Apu Trilogy is one of the best trilogies in the style of Italian neorealism ever made. These movies are international treasures and should be preserved for posterity. I wish Amazon packaging had considered that. When Amazon sends me a single battery, it comes wrapped and boxed in a giant box. Almost everything comes in oversized packages, but they sent the three DVDs without any protective envelope, box, or sleeve. It arrived in its original packaging, dinged on all four corners. The DVDs were a birthday gift. Extremely disappointed!
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Reviewed in the United States on August 11, 2023
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Verified Purchase
Lance Tilford
Boise, US
★★★★★ 5
Stunning Document of Humanity
I waited far, far too long to immerse myself in the films of Satyajit Ray. After finally watching the Apu trilogy on The Criterion Channel, I immediately purchase the Criterion set (because the internet's going down someday and these are pantheon-level, must-have films). Ray's 3-film trilogy following the arc of a boy's life from his idyllic rural village in India to the teeming metropolis of Calcutta covers just about every aspect of human growth and conflict. Family, curiosity, mischief, tragedy, love, desire, intellectual pursuit, and ultimately, the responsibility of parenthood all unfold in Ray's epically framed cinema. At times one feels as if watching a documentary, glimpsing the intimate moments of lives we might never otherwise see. Ray's direction lets every scene breathe fully and the actors feel perfectly natural. It's also a real treat to hear the early works of a young Ravi Shankar in his perfectly timed soundtrack utilizing both traditional and modern treatments of Indian music. Ray's Apu trilogy--as well as the rest of his film catalogue--are must-watch movies for any student of film or anyone who appreciates a beautiful, heartfelt, and philosophical portrait of people enslaved by pleasures, responsibilities, and tragedies.
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Reviewed in the United States on August 24, 2021
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Verified Purchase
Pablo
Waukegan, US
★★★★★ 5
Great film
Well done film that gives you a glimpse into the daily lives of rural, and city people.
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Reviewed in the United States on December 3, 2024
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Verified Purchase
Frederick Baptist
Waukegan, US
★★★★★ 5
Satyajit Ray's Great Trilogy Masterpiece Gets the Criterion Treatment In Blu Ray!
Years before trilogies were in vogue, way before "The Godfather" there was "The Apu Trilogy". The original negatives were lost in a fire and yet Criterion has managed to work miracles with this masterful restoration of this beautiful classic tale of the life of a Bengalese child to adulthood over 3 films. The story is compelling and absorbing and directed as only a master like Satyajit Ray can. Any attempt to further describe this movie would just not do justice to it; it has to be experienced and rewards repeated viewing. This release also includes a 48-page booklet of essays on the film in addition to the 3 blu ray discs of the films. Great sound and picture quality is evident as well considering the film's age and source master. This worthy addition to any art-film buff's video library comes highly recommended!
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Reviewed in the United States on November 24, 2017
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Verified Purchase
Edward C. Carpenter
Pawtucket, US
★★★★★ 4
What is the point? (SPOILER)
My heading echoes the adult Apu who, in the last movie in the trilogy says, "What is the use?" and allows the pages of his autobiographical novel to blow away in a wind. In the first two movies we enter the very real life of a rural Indian family whose members are all lovingly created by director and actors. But their story is rather sad. First Apu's young sister dies of illness, a fate shared much later by their father. Then the life of the mother dwindles away and Apu is left alone. The restoration of the nearly-destroyed films is a technological marvel, but I wondered if this tale would attain to anything of lasting value by the end. With the third and last movie in this series, I can reach a somewhat different conclusion. There is death and suffering in this last part too as Apu's wife dies early on but the entire narrative reaches a sudden and surprising resolution when Apu unites with his long-abandoned little boy who is himself a mirror of Apu growing up. There is something of a vacuous Asian experience in this cinematic telling but it doesn't really come to nothing as the stereotype might suggest. I recall that experience in David Lean's rendering of E.M.Forster's A Passage to India, a wonderful movie too but, like the novel, lending itself to earlier Western ideas about the East. An element of life, freedom, joy bursts upon us at the end of Ray's movie and transforms everything we have seen before. Yes, life is risky, unpredictable, filled with suffering, but it can still lead to something wonderful.
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Reviewed in the United States on April 3, 2018

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