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KramerDrak special complete iron fertiliser for strong light pools

Special complete iron fertiliser for intensive plant tanks

These include high-light tanks and very densely planted tanks. Developed by Hans-Georg Kramer.

The aquatic plant specialist and specialist author Hans-Georg Kramer has empirically developed a fertiliser over many years that shows its qualities especially in well-planted aquariums, especially if these are also strongly lit.
The use of four different chelators in a special proportioning and an extremely wide range of trace elements including so-called "beneficial elements" helps to cultivate even the most demanding plants.

Dosing instructions

First determine the effective amount of water in your aquarium by subtracting the volume of substrate, internal filter and large decorative items. The easiest way to do this is with a metre rule or tape measure.

Then determine the lighting factor by calculating the total illuminance of your lighting in lumens and dividing it by the net volume of your aquarium.
Up to an actual water height of approx. 40 cm, you can multiply the wattage of T5 fluorescent lamps and metal halide lamps by a factor of 1.2 to take into account their higher luminance and therefore depth effect.
The calculated lighting factor only applies when using high-quality reflectors, without which only approx. 50 % of the light in the aquarium is available. The luminaire should be optimally ventilated, as the light output of the lamps decreases at higher temperatures.
LED lamps are included in the calculation with the full amount of light, as they have a highly directional light due to their principle.

  • With average lighting factors of approx. 30 lumen/l you need approx. 10 ml / week / 100 litres of water KramerDrak
  • For high light aquariums from 40 lumen/l are approx. 12 ml / week / 100 litres of water KramerDrak is recommended
  • More than 15 ml / week / 100 litres of KramerDrak water did not lead to an improvement in any case

The luminous efficacy of a fluorescent or metal vapour lamp with electronic ballast roughly corresponds to 70 - 90 lumen/watt. This means that the above figures can be converted accordingly for older lighting systems.

Composition

20,980 mg/l potassium, 3,440 mg/l magnesium, 1.875 mg/l iron, 715 mg/l manganese, 92 mg/l copper, 80 mg/l zinc, 70 mg/l boron, 43 mg/l molybdenum, 25 mg/l cobalt, 1.n, 25 mg/l cobalt, 6.6 mg/l lithium, 6.5 mg/l vanadium, 6.3 mg/l aluminium, 6.3 mg/l nickel, 6 mg/l selenium, 5.3 mg/l tin, EDTA, HEEDTA, DTPA, NTA or IDHA*, (ascorbic acid)*, methylparaben, benzoic acid.

* Please observe the packaging instructions.

Weekly addition at a dosage of 10 ml / week / 100 litres

2.1 mg/l potassium, 344 µg/l magnesium, 187.5 µg/l iron, 71.5 µg/l manganese, 9.2 µg/l copper, 8 µg/l zinc, 7 µg/l boron, 4.3 µg/l molybdenumn, 2.5 µg/l cobalt, 0.66 µg/l lithium, 0.65 µg/l vanadium, 0.63 µg/l aluminium, 0.63 µg/l nickel, 0.6 µg/l selenium, 0.53 µg/l tin

Shelf life

Store in a dark (the metal chelate complexes are UV-sensitive) and cool place - minimum shelf life 3 years.

Responsible company
DRAK-Aquaristik Dr. Andreas Kremser
Rosenstraße 22
71101 Schönaich
Germany
+49 7031 776353

62 of 62 reviews

Average rating of 4.8 out of 5 stars


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1 - 10 of 62 reviews

2 December 2024 00:00

Review with rating of 5 out of 5 stars

Alles bestens. Super Qualität

Alles bestens. Super Qualität

17 November 2024 00:00

Review with rating of 5 out of 5 stars

Senza commento

Senza commento

20 December 2021 01:47

Review with rating of 5 out of 5 stars

Bester Dünger für Starklichtbecken

Einfach in der Anwendung und absolut sicher, alles wächst und gedeiht. Selbst Pflanzen, die sonst sehr langsam wachsen sollen, wuchern und breiten sich aus. Anubias treibt Blätter, satt grün und blüht auch unter Wasser. Einziger Nachteil: wohin mit dem ganzen Grünschnitt aus dem Aquarium?

Our feedback: Leider kenne ich das Problem mit dem Pflanzenüberschuß: Aquariumpflanzen-Auktion | Facebook und Ebay Kleinanzeigen bieten sich an.

21 July 2021 21:59

Review with rating of 5 out of 5 stars

Ottimo

Ottimo prodotto in quanto testato nella versione più piccola da 250 ml

1 April 2021 12:45

Review with rating of 5 out of 5 stars

Empfehlenswert

Sehr guter Dünger, Pflanzen wachsen sehr gut.

9 January 2021 22:29

Review with rating of 5 out of 5 stars

Bester Macrodünger

Ich verwende diesen Dünger seit vielen Jahren als Hauptdünger und erreiche damit einen super Pflanzenwuchs...

3 January 2021 20:17

Review with rating of 5 out of 5 stars

Empfehlenswert

Sehr guter Dünger, Pflanzen wachsen sehr gut.

23 December 2020 13:00

Review with rating of 5 out of 5 stars

Urwalddünger

Mein Lieblingsdünger! Meine Pflanzen bilden einen Urwald, den ich ständig lichten und verkaufen kann.

22 June 2020 18:17

Review with rating of 5 out of 5 stars

Sehr gute Qualität

Pflanzen wachsen sehr gut

1 May 2017 12:49

Review with rating of 5 out of 5 stars

Sehr gut...

Sehr gut

Roots conquer the forest

When designing this aquarium, a friend's photo of a large root forming a kind of subway served as inspiration.

Great pictures from the plant tank of A.L. from Eckenhaid near Nuremberg

The tank, which is currently almost nine months young, was switched to DRAK almost two months ago. With the fertiliser combination KramerDrak Power and KramerDrak solution as well as good lighting, regular thinning is required.

A gorgeous aquascape by Carlo Sette

A great aquascape about 5 months old by Carlo Sette in 120 × 45 × 45 cm, set up with Tropica Soil and lit 8 hours/day with a mix of Twinstar S3 and Juwel Helialux spectrum (LED - 170 W total).

Matteo Masotti's Plant Basin

A particularly beautiful plant pool in 120 × 40 cm mainly planted with the special aquatic plants from rareaquaticplants (Massimo Ianella).

Plant tank and Altum scalars


Hartwig M. from Weil der Stadt has been using Ferrdrakon and KramerDrak for several years now. The picture of the tank presented here dates from 02/2017.

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