Ferrdrakon BIO aquatic plant fertiliser
Ferrdrakon BIO aquatic plant fertiliser as a ready-to-use solution or as a refill pack
- Environmentally friendly iron fertiliser for aquariums: Ferrdrakon BIO sets itself apart from conventional products as a complete iron fertiliser by using a fully biodegradable chelator, making it an environmentally conscious choice for your aquarium.
- Optimum nutrient supply: Specially formulated to meet the needs of aquarium plants, this iron fertiliser provides your aquarium with essential micronutrients, supporting healthy plant growth and promoting a vibrant ecosystem.
- Stability under difficult light conditions: Ferrdrakon BIO remains stable even under intense blue light and UV radiation, making it the ideal iron fertiliser for heavily lit aquariums.
- Simple and flexible dosing: The application of the iron fertiliser is simple and can be adjusted depending on the growth phase of the plants and conditions in the aquarium.
- For conscious aquarium enthusiasts: This iron fertiliser is perfect for aquarists who value natural and effective care. natural and effective care of their underwater paradise.
- Discover the benefits of Ferrdrakon BIO, your ideal iron fertiliser for the aquarium, and see your aquarium flourish!
Composition [in mg/l]
Potassium 4,000, iron 1,300, magnesium 1,000, manganese 600, boron 60, copper 20, molybdenum 20, zinc 20, cobalt 10, nickel 10, aluminium 8, lithium 5, tin 5, vanadium 5, chromium 3, IDHA, PAA, benzoic acid, citric acid
Recommended dosage
2 - 4 times 5 ml per week and per 100 litres of water in the tank, depending on lighting, plant quantity and growth
After setting up your aquarium, start fertilising with 2 - 4 times 2 ml per 100 litres of water and slowly increase the dosage to the normal dose as growth increases.
If you have used Ferrdrakon BIO you can also start directly with the normal dose.
To remove unused nutrients and excretions from fish and plants, we recommend a minimum water change of 25 % every 2 weeks. However, there is nothing wrong with more water changes.
Optimum iron content
0.05 - 0.1 mg/l (up to 0.2 mg/l with extremely strong lighting)
Range and shelf life
Sufficient for 1,250 - 2,500 litres of water
Store in a dark and cool place see database.
Rosenstraße 22
71101 Schönaich
Germany
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8 reviews
29 September 2025 12:19
I am satisfied
Very good
29 October 2024 00:00
Use the fertiliser in 3 aquariums
Use the fertiliser in 3 aquariums, 1x 300L and 2x 60 L, works great.
29 October 2024 00:00
The idea is great
The idea is great, if necessary simply dissolve in osmosis water, I find the fertiliser very good although I fertilise a little less than the recommended amount, Ferrdrakon was already very good, it was worth a try.
3 February 2024 16:49
Thrilled with the organic fertiliser!
I have only been using the bio-fertiliser for a short time, but I can already see that the recurring problems with stunted new shoots on various plants have disappeared.
I also imagine that the fish population is more agile. Of course, I'll have to keep an eye on things in the long term.
Current status: I am delighted
23 May 2023 22:51
Very good fertiliser, plants grow like crazy and have beautiful, rich colours!
I am delighted with the fertiliser and can confirm that it works very well in tanks with UVC clarifiers!
18 November 2022 11:57
I don't really need to say anything more about this fertiliser. A very good product.
I was already enthusiastic about Ferrdrakon. I switched to Bio Ferrdrakon because it contains a little more K. But both products give my 500l scape great, brightly coloured plants.
11 October 2022 00:11
Highly recommended
In use for decades, still good.
26 August 2022 08:19
The plants are growing
Fertilise twice a week (as recommended) and I find the plants grow better
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