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- Article number: D0070500
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- Dimensions: 6.50 cm × 21.00 cm × 6.50 cm
Phosphate Supplement Fertilizer
Some intensively planted and lighted pools with a moderate till low fish population need, in comparison to the majority of typical aquariums, a supplement to the basic food stuff phosphorus - P resp. phosphate - PO4.
Contains potassium hydrogen phosphate (KH2PO4)
Adding 1 ml to 50 l tank water increases the phosphate ratio by 0.1 mg/l
The desired value ranges between 0.1 - 0.2 mg/l phosphate. More than that is seldom necessary and usually only promotes algae growth unnecessarily.
(Simultaneously the applied salt increases the potassium ratio by insignificant 0.04 mg/l
Phosphate can also be used as an start-up fertilizer. Add until ~ 0.25 mg/l are reached and only add fertilizer again, after the level has been on zero for a while.
Water plants can store phosphate very well. Therefore, this method is useful for getting rid of algae, as they are not able to store much phosphate due to their smaller size.
If the measured PO4 content in the aquarium water was not detectable for a long period before using Eudrakon P, it is often the case that a great increase in consumption is noticeable in the first 7 - 14 days of use. This is normal and due on the one hand to the fact that all plants refill their empty storage for phosphate and on the other that phosphate is immobilized due to adsorption of iron hydroxide precipitations in the filter and substrate.
Adsorber materials, which are offered for silica binding (SiO₂), always bind more or less phosphate!
If you want to permanently increase the phosphate content of your aquarium water, you have no choice but to remove such silicate adsorbers from the water cycle.