Dennerle Plant Care NPK

Macro-nutrient fertilizer for aquariums with no or few fish

The three macro-nutrients N = nitrogen (nitrate), P = phosphorus (phosphate) and K = potassium are of particular importance. The addition of N and P is not usually necessary in normal, planted community aquariums, as these substances enter the aquarium in sufficient or sometimes even excessive quantities via the food and fish excrement. However, the situation is different for demanding planted aquariums or aquascaping aquariums. They have an above-average nutrient requirement, especially for macro nutrients. An N or P deficiency can quickly occur in these types of aquarium, especially with no or low fish stocking. A K deficiency is also possible, but less common, as potassium is always present in the tap water in certain quantities and is regularly added via complete iron fertilizers such as Plant Care Pro. For demanding plant aquariums, it is therefore very sensible to keep an eye on the macro nutrients and supplement them if necessary. The biological balance of nutrients is particularly important with an NPK fertilizer. The nutrient ratios in Plant Care NPK have been selected so that all three macro-nutrients are absorbed by the plants in equal proportions. This means that even with long-term, regular use, there can be no deficits or detrimental accumulation of individual nutrients. This is because nutrient imbalances should always be avoided, as they usually lead to algae problems.

When do I use Plant Care NPK?

Every aquarium has a specific nutrient consumption depending on the quantity of plants, plant species, animal population, feeding, water changes and growing conditions (amount of light/lighting time, CO2 addition, filter technology, etc.). The required addition of NPK should therefore be determined individually for each aquarium. Plant Care NPK is only used when necessary, i.e. in the event of a genuine macronutrient deficiency. We recommend measuring the nitrate and/or phosphate content on a weekly basis and dosing Plant Care NPK accordingly. You can also measure the potassium content of the aquarium water (tests in specialist shops). However, this measurement is not usually necessary as the tap water plus Plant Care Pro and Plant Care NPK provide sufficient potassium. An overdose of potassium is hardly possible in practice and is generally not detrimental. Significant overdoses of nitrate and phosphate, on the other hand, can promote algae growth. Plant Care NPK should therefore not be used at the beginning without first measuring the nitrate and ideally also the phosphate content. If the tap water used for water changes does not contain unusually high levels of nitrate or phosphate, the measurement of the nitrate content alone will later be sufficient in practice as a basis for deciding on NPK fertilization and dosage. Simple immersion tests can also be used for this purpose, e.g. the Dennerle WaterTest 6in1.

• Macronutrient fertilizer for heavily planted aquariums with a low fish population
• With nitrate (NO3), phosphate (PO4) and potassium (K) plus magnesium (Mg)
• For magnificent plants and intensely bright colors
• Immediate and long-term effect
• Scientifically tested and optimized according to the model of nature