JBL PROSCAPE NPK +MACROELEMENTS 500ml
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There is no comprehensive answer to this question, as it requires a comprehensive analysis of the water, fertilization, lighting, carbon dioxide supply, and regular water maintenance. Algae are not only caused by an excess of nutrients, in particular phosphate and nitrate, but very often also by a deficiency of micronutrients, of which iron is the best known. This is very often the underlying cause of algae problems. When algae appear, it is generally highly recommended to increase the amount and frequency of water changes, ensure that there is a good stock of fast-growing plants, and then fertilize these according to the instructions with JBL Ferropol or JBL Ferropol 24.
Algae problems in aquariums can never be attributed to a single factor or set of conditions, but are always a combination of various factors, including light, fertilization, water changes (specifically how often and how much), feeding, animal stocking, and, of course, the specific water values. According to evaluations carried out over many years, red algae, at least the classic brush and beard algae, occur in descending order with the following parameters: 1) Too little carbon dioxide (in 100% of the tanks measured); the pH value should always be in the slightly acidic range, depending on the carbonate hardness. 2) Elevated phosphate levels (above 90%); phosphate limitation using JBL PhosEx ultra often helps here. 3) Too little and too irregular fertilization (iron should always be detectable in trace amounts). 4) Too few water changes; weekly water changes of more than 30% are recommended for algae problems. 5) Too few fast-growing plants
As a general rule, you should not change your plant fertilization regime abruptly. Fertilizers from different manufacturers vary slightly in their trace element composition. This can lead to temporary differences in the nutrient content of the water. It is best to make the change in three steps: 1) Reduce the old fertilizer by 1/3 and add 1/3 of the new fertilizer. Wait about 3-4 weeks and observe the reaction of the plants. 2) Reduce the old fertilizer by 2/3 and add 2/3 of the new fertilizer. Wait about 3-4 weeks and observe the reaction of the plants. 3) Stop using the old fertilizer completely and switch to the new fertilizer. It is important to observe the reaction of the plant growth on the one hand and to check the iron content of the water at least twice a week on the other. The value should never fall to 0, but should also not rise above approximately 0.2 mg/l if possible. Short-term peaks should not be taken into account. As a general rule, the measures should be carried out weekly, ideally after a water change. This will achieve better results than shock fertilization at longer intervals.
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