JBL PhosEx ultra
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JBL PhosEx ultra binds approx. 18,000 mg phosphate before its capacity is exhausted. That is why, even when a water change is done, it can still be used until its capacity has been exhausted and the phosphate concentration in the water rises again (test with JBL Phosphat Test sensitive). _x000D_ _x000D_ Example: 2.0 mg/l in the tap water yields 400 mg phosphate in a 200 l tank if a full water change is done and 200 mg new phosphate if a 50 % water change is done. Accordingly, the amount that can be bound depends on the water change._x000D_
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